The Lost Daughter

29 Jul 2026 · 38 min · 21 chapters

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In short

A 25-year search for Tiffany Sessions, a University of Florida student who disappeared on a walk in Gainesville, Florida (Feb 1989). The episode recounts how her parents and investigators pursued leads, and how cold-case work later focused on serial killer Paul Rolls, culminating in a January 2014 excavation near where Tiffany vanished—without finding her remains.

Guests and backgrounds

Pat Sessions (father; marketing executive who organized a major missing-person campaign); Hillary Sessions (mother; Air Force background); Jim Eckert (lead investigator); Wayne Black (private investigator specializing in missing children); Sheriff Sadie Darnell (Alachua County sheriff; later created a cold case unit); Detective Kevin Allen (cold case detective who pursued Paul Rolls); Dr. Michael Warren (forensic anthropologist); Kathleen Frezza (Tiffany’s college roommate); John Walsh (via commentary; father of abducted/killed son Adam).

Key claims

Tiffany’s disappearance may be linked to Paul Rolls, who murdered multiple victims; DNA later connected Rolls to Elizabeth Foster; Rolls’ address book and cadaver-dog alerts guided the excavation; Rolls died before confessing to Tiffany.

Notable examples

Flyers on pizza boxes; hotline receiving 600 calls/day; Dan Marino and Jeb Bush supporting the search; anonymous inmate letter about Michael Knickerbocker (jailhouse joke); Rolls’ toe-print match via Band-Aids; Rolls’ address book dated 2-9-89; excavation found deer bone and no human remains.

Written by AI. May contain mistakes. Listen to the episode to check what was said.

Chapters

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The Search for Tiffany Begins

1:25 to 2:10

Pat and Hillary Sessions discuss their ongoing search for Tiffany Sessions.

“And in January 2014, in this forest in Gainesville, Florida, just over a mile from where Tiffany disappeared.”

Tiffany's Early Life and Aspirations

2:10 to 4:00

Explore Tiffany Sessions' childhood and aspirations as a young woman.

“You know, I pushed and pushed so many people for so long that I don't know how long I'll do it.”

Relationships and Connections

4:00 to 5:46

Examine Tiffany's relationships with her parents and friends.

“I worked really hard on making sure that she was as nice on the inside as she was on the outside.”

The Night She Disappeared

5:46 to 6:09

Details of Tiffany's last known actions before her disappearance.

“Before she walked out, Tiffany said, I'm going to take off my jewelry.”

Immediate Reactions and Responses

6:09 to 7:30

Pat and Hillary's urgent response to Tiffany's disappearance.

“I just really am still pretty hopeful and continue to believe that she will return safely.”

The Search Efforts Intensify

7:30 to 10:00

Explore the extensive search efforts organized by Pat Sessions.

“He put his marketing skills to work and organized one of the largest missing person searches in Florida history.”

The Search Efforts Intensify

11:23 to 12:14

Explore the extensive search efforts organized by Pat Sessions.

“What's the business idea you've been putting off because it feels too complicated?”

Challenges in the Investigation

12:28 to 14:01

Former detective Jim Eckert discusses the challenges in Tiffany's case.

“In your trying to solve the case, I would imagine you went up and down and up and down this road.”

The Search for Tiffany Sessions

14:01 to 16:38

Learn about the desperate search and leads following Tiffany's disappearance.

“Serving five life sentences Confessed to killing Tiffany Sessions You went and talked to him?”

Sheriff Darnell's Commitment

16:39 to 18:53

Discover how Sheriff Darnell prioritized solving Tiffany's case.

“When the leads dried up, private investigator Wayne Black tried to keep the momentum of the investigation going.”
Show all 21 chapters

Detective Kevin Allen Joins the Case

18:54 to 21:00

Learn about Detective Kevin Allen's approach to the cold case investigation.

“she wanted him to focus on one man, a convict by the name of Paul Rolls.”

The History of Paul Rolls

21:01 to 23:25

Explore the criminal history of Paul Rolls and his violent past.

“I mean, he would plan and watch his prey.”

The Connection to Other Murders

23:26 to 25:38

Understand how Tiffany's case may relate to other murders in Gainesville.

“He also had another job putting up scaffolding on that apartment complex, Hunter's Run, located right on Tiffany's walking route.”

DNA Evidence and Investigation

25:39 to 27:40

Learn about the role of DNA in linking Paul Rolls to other murders.

“She was able to escape and identified Rolls as her attacker.”

The Investigation Takes a Turn

28:00 to 28:18

Discover the shocking developments in the case tied to Paul Rolls.

“And what Paul Rolls left behind changed the entire investigation.”

Uncovering Dark Secrets

28:44 to 31:06

Explore the chilling discoveries from Paul Rolls' address book.

“When Detective Allen went to retrieve serial killer Paul Roll's personal belongings from jail, it was 24 years after Tiffany Sessions disappeared.”

The Search for Tiffany Resumes

31:06 to 34:12

Follow the team's excavation efforts in search of Tiffany's remains.

“Once he discovered the address book, Detective Allen ordered up cadaver dogs to search the site where Rolls buried Elizabeth Foster.”

Facing Harsh Realities

34:12 to 36:38

Experience the emotional toll as the search yields no results.

“Is it hard to imagine that Tiffany might be in that spot?”

A Call for Closure

36:38 to 38:07

Hear the family's reflections and their commitment to advocacy.

“Good morning, everyone, and thank you for being here.”

The Ongoing Struggle

38:07 to 39:32

Understand the enduring impact of Tiffany's case on her family.

“You know, you try to find something, as corny as it sounds, try to make some meaning out of something, try and do something positive out of a terrible thing.”

Final Thoughts and Call to Action

39:32 to 39:58

Encouragement for listeners to help in solving the case.

“If you know anything about Tiffany's disappearance, please contact Alachua County Crime Stoppers tip line at 352-372-7867.”
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Transcript

Automatic transcript. May contain errors.

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1:11Heavenly Father, we got a simple prayer. It's really simple. Help us find Tiffany. We know without your grace, without your blessing, it won't happen. Amen. Amen. Let's go. Do it.

1:24Tracy Smith:For 25 years, Pat and Hillary Sessions have been searching for their daughter Tiffany. And in January 2014, in this forest in Gainesville, Florida, just over a mile from where Tiffany disappeared. There was another girl in 1992 who was actually found here on the site. They hope they may finally find her. I am extremely optimistic. What are you feeling going into this excavation? Are you nervous? I'm a lot more nervous than I thought I would be.

2:01I've done other searches, and this one I'm a lot more nervous about because it may not be true, but it sort of feels like a final hurrah. You know, I pushed and pushed so many people for so long that I don't know how long I'll do it.

2:27Tracy Smith:Sorry. Do you think the emotion comes because maybe it's the end or maybe it's not? Yeah, I don't know.

2:42It needs to end. Everybody needs closure on this.

2:55Tracy Smith:In 1989, Tiffany Sessions was a junior studying finance at the University of Florida in Gainesville. She had dreams of running a company one day. She knew what she wanted to do. She knew where she was going to go. She was determined to make something out of herself. Tiffany had a good role model. Pat Sessions was a well-known marketing executive for a giant real estate company in South Florida. He oversaw the creation of Weston, one of the biggest building projects in the United States. She kind of wanted to be like Dad, following your footsteps. I've been told that by her friends. Pat and Hillary divorced when Tiffany was just eight months old.

3:38Tracy Smith:Hillary was in the U.S. Air Force, and as she traveled around the country, she brought Tiffany with her. I was the mom. I was the dad. I was the disciplinarian, the provider. There wasn't anything that we didn't do together, and we worked as a team. You called her your masterpiece. I did, because I only had one. I worked really hard on making sure that she was as nice on the inside as she was on the outside.

4:15Tracy Smith:Growing up, Tiffany didn't see a lot of her father, but in her teens, they reconnected. Pat was in his late 30s, a bachelor, living in an oceanfront home in Miami's affluent Coconut Grove. The summers were the times that we spent together and holidays. Tiffany also got to know her half-brother, Jason. My father is always a very active, fun guy, so when we came together for those different times, we were always doing neat experiences, going on the boat, you know, the beach, different activities like that. That's where we really got to know each other. Both of them were single kids, so they didn't have anybody else.

4:47They bonded together very quickly.

4:50Tracy Smith:But for Pat, missing out on so much of his daughter's childhood had taken its toll. It was a lot of catch-up, you know, and overcoming a lot of bad history between her mother and I. Tiffany was very close to both her parents. Kathleen Frezza, Tiffany's college roommate. She loved her mom, and they had a very special relationship. She spoke with her frequently, almost daily, I would say, on the phone with her dad because she was able to renew that relationship with him. That was really very touching for her. And when Pat bought his daughter a Rolex watch, Kathleen says Tiffany never took it off.

5:29Tracy Smith:She just loved it, partly because it was a Rolex, partly because it was from her dad. So it held a really special emotional tie for her. In fact, Kathleen has never forgotten one of the last conversations she had with Tiffany, just before she went out for that final walk. Before she walked out, Tiffany said, I'm going to take off my jewelry. She said, I'm keeping my watch on. If somebody comes after me, they're going to have to fight me for the watch.

6:05Tiffany never returned to her apartment while on an evening walk. When Tiffany did not come back, I still had hope at that time. I just really am still pretty hopeful and continue to believe that she will return safely.

6:21There were people in the apartment, outside the apartment, milling around, trying to figure out what we needed to do.

6:28Tracy Smith:The day after Tiffany went missing, Pat and Hillary arrived in Gainesville. I got here and I didn't even rent a car. I did a cab because I assumed all this was going to be over relatively quickly and Tiffany would give me a ride back to the airport. But Pat knew the situation was serious when he learned that Tiffany had left the apartment with only her watch and her Walkman. She didn't have her wallet, her driver's license, her car was there. And that was the scary part. You know, all that stuff was there. And we were all starting to get nervous as the day went on. I think there was a sense of urgency here.

7:02Tracy Smith:Jim Eckert was one of the lead investigators on the case. This young woman didn't have any, I guess, baggage, as it were. It wasn't like we had a boyfriend or some strained relationship. She was a good student. She was pretty much always on the mark. So for her not to have shown up was pretty unusual. She's a smart kid. She's resourceful, and if she's in trouble, she's going to be doing everything she can to get out of it. Pat sprang into action. He put his marketing skills to work and organized one of the largest missing person searches in Florida history. I need your help. I need the work to get out of Tiffany.

7:40From day one, he was so driven, he ran like a business. He really did. We're attempting to find Tiffany, and we're just investigating every lead.

7:48Tracy Smith:Pat brought in Wayne Black, a private investigator who specialized in recovering missing children. Pat had within, I think, 24 hours Tiffany's picture on the inside of every pizza box being delivered in Alachua County. If you see anything or talk to anyone or hear anything, please give us a call. Volunteers blanketed the state with flyers, put Tiffany's face on billboards, and answered a 1-800 hotline. Jason Sessions, just 17, also helped to get the word out. She left the house without keys, without jewelry, without makeup, and that's not Tiffany. It was amazing to me how small South Florida became and understanding who Tiffany Sessions was and what we were doing and what we were going through.

8:33All right, I really appreciate you calling and probably somebody will be calling you back from the FBI or somebody just to kind of... My goal was very simple. It was to make sure that everybody that I could knew what she looked like. To try and get as many people out there looking for her as I could.

8:48Tracy Smith:I'm curious whether that helped you with the emotional side of things. To be able to look at this from a business marketing point of view. Yes, because I felt useful. Because I felt in control. For every 50 people that pass out a fryer, one story that you all can run does 100 times that. Pat set up press conferences and recruited his famous friends, like football legend Dan Marino. What I'm going to try to do to help this team is to try to call on all my friends throughout the NFL. Today, you can push a button and you reach a million people on Facebook. You can try to get some nationwide coverage for Tiffany to try to help her.

9:29In those days, TV was my Facebook.

9:32Tracy Smith:Politician Jeb Bush also helped out. And so did America's Most Wanted host, John Walsh, whose son Adam was abducted and killed in 1981. I know the nightmare firsthand of having a missing child and what he's going through. We can only assume that she is alive and that she is somewhere. and we just hope that there will be some type of word and that you will spread the word. People are committed because of Pat, because he just asked them, come help me. And, you know, he's irresistible in that regard.

10:06There is a massive investigation going on. What they want from us is information, leads, physical clues.

10:12Tracy Smith:Just one week after Tiffany disappeared, over 700 people showed up to search the area around Tiffany's walking route. hoping to find any clues as to what happened to her. There's something out there somewhere. We just haven't turned it up yet. It was freezing cold that day. It was a terrible day. It was drizzling. It was cold. When you find any evidence, just stay away from it. Let me know. I'll come take a look at it. We had busloads of troops that came in to help us with the search. We had dolphins players, all of our friends and family from South Florida who were up here. Start down there by that fence.

10:48We went real hard at the area where she walked, trying to find the Walkman, trying to find her watch, trying to find anything.

10:53Tracy Smith:And it turns up? Zero. Absolute zero. Not a thing.

11:02That was the longest drive home, because I was so euphoric that, whoa, we're going to find something.

11:13I think the hardest part was, what do I do now?

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12:28Tracy Smith:In your trying to solve the case, I would imagine you went up and down and up and down this road. A lot. An awful lot. A lot. Former detective Jim Eckert still remembers every step of the walking route he thinks Tiffany Sessions took the night she disappeared. This was all thick woods. So it would have been fairly easy to snatch somebody. It was what you'd call a private place. This was a huge construction site with a lot of people coming and going. He always wondered if Tiffany's abductor could have worked here at Hunter's Run. We talked to certainly as many as we could. And nothing. Nothing.

13:06Tracy Smith:The hotline was receiving as many as 600 calls per day. But in 1989, technology was so primitive, detectives were quickly overwhelmed. We were using DOS systems and sticking big disks in computers, and most cops didn't even know how to do that. You know, we didn't have a fax machine. They didn't have a fax machine? So I bought them one. How many leads came in? Too many. I've always worried that there was so much that it got lost in the shuffle. Something fell through the cracks. Weeks turned to months First month or two, still had a lot of hope Every day that goes by, the odds drop astronomically And I knew that things were not looking good And then, detectives received a promising lead An anonymous inmate wrote that Michael Knickerbocker A convicted serial rapist and murderer Serving five life sentences Confessed to killing Tiffany Sessions You went and talked to him?

14:10Tracy Smith:Sure. He was a spooky guy. You got bad vibes off of him. You know, like, well, did you do this? No. But here's how I would have done it. Michael Knickerbocker never confessed to detectives that he killed Tiffany. But he did confess that he was the one who wrote the letter as a mean joke. These guys do that. I mean, I can show you 50 letters that I've got from guys in jail. I realized early on that I was dealing with a whole subculture of people that were just subhuman. When the Knickerbocker lead fell apart, Pat offered a cash reward, hoping someone would come forward with information about his daughter.

14:50When you put out a reward, it happens in every case. You get every nut job.

14:55Tracy Smith:But one lead seemed credible. You get your hopes up. You think, maybe this is it. It was from a man who said he knew where Tiffany was and that she was sick and in need of medical attention. He says, don't hang up. The caller sent Pat on a wild car chase all over Miami. He says, you hang up, I'm going to kill her. But the caller turned out to be a professional con artist. He was caught by the FBI and sent away to prison for a little over six years. I was emotionally up to here. I really thought this guy might really know something. And as the reward climbed to$250 ,000, Pat endured two more extortion attempts.

15:39Tracy Smith:And then, one year after Tiffany went missing, when Pat thought the news couldn't get much worse... The two women found murdered Sunday afternoon were U of F students. Within four days, five students were murdered in Gainesville. Detectives had a serial killer on their hands. Did you think Tiffany could have been connected to that? Oh, of course, the first day, you wondered. Yes, I thought that maybe it was the same person.

16:13Tracy Smith:Weeks later, an ex-con named Danny Rowling was arrested. He later confessed to the five Gainesville student murders, but he never confessed to killing Tiffany. Detectives dropped Rowling as a possible suspect when they learned he was in Shreveport, Louisiana, the evening Tiffany disappeared.

16:37The biggest challenge always in a case like this is to keep everyone motivated.

16:43Tracy Smith:When the leads dried up, private investigator Wayne Black tried to keep the momentum of the investigation going. The case got cold, so you have to remind them, it's still the kidnapping, it's obviously a homicide, and let's work it. And Pat and his team kept working it for 25 years.

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17:05Tracy Smith:Was there ever a time that you wanted to give up? Yeah. I don't know, I don't can lie about that. I mean, there was times early on when I was just so overwhelmed and didn't, you know, in the frustration of not knowing what to do. And the good news was, even when I'd start to slow down, everybody else pushed me. And no one pushed Pat more than this woman. In 2006, Sadie Darnell became the first woman elected sheriff in Alachua County. She was just a young cop in 1989 when Tiffany disappeared, and that memory stayed with her. It was very jarring and very scary and very haunting to think that that could happen in our midst.

17:42And then this many years later, still having it unsolved.

17:46Tracy Smith:Throughout the years, even though she was never actually assigned to the case, Sadie would mail and fax Pat words of encouragement. September 15, 1995. Patrick, I know this must be difficult for you to maintain a constant struggle for Tiffany's case. I have always believed it can and will be solved. I have loyalty to you. The overall goal is for you to have Tiffany back, and in some time in the future, peace. Call me any time to vent, strategize, coordinate, kick butt, etc. et cetera. Always Sadie. So when Sadie became sheriff, one of her main goals was to set up a cold case unit and find out what happened to Tiffany Sessions.

18:29Tracy Smith:In January 2013, Sheriff Darnell hired Detective Kevin Allen to do just that. He's one of the best I've ever seen. In fact, I kept asking, where has he been on my career? This is the kind of guy that gets the cold case stuff. That's the kind of person that you need on this. She told me very matter-of-factly, I want this case solved during my tenure here. And Sheriff Darnell told Detective Allen that she wanted him to focus on one man, a convict by the name of Paul Rolls. I'd been in that case for a couple weeks. I'd never read the name, never heard the name. She said, get down and talk to Talk to them right away.

19:09Time is of the essence.

19:24I have an 18-year-old daughter. My daughter is the light of my life.

19:30Tracy Smith:It's that personal to you? Yes. When Kevin Allen joined the Alachua County Cold Case Unit early in 2013, he knew working on the Tiffany Sessions case would be difficult for him. Just being a parent and just the thought of something happening to your child. I have a picture of Tiffany Sessions I keep at my desk. I go to bed thinking about the case and I wake up thinking about that case. We look at all the cold cases. We can't forget the past and we can't just let it go. Sheriff Sadie Darnell made the Tiffany Sessions case a priority. You need to lift up every rock, peel back every layer. She started by giving Detective Allen that lead to look into convicted murderer Paul Rolls.

20:18What I found was that Paul Rolls was a psychopath, a serial killer. He had sadistic tendencies, sadistic fantasies.

20:32Tracy Smith:And Detective Allen would soon learn that Paul Rolls had a long and violent past that lasted over 20 years. In 1972, he killed his first victim, former beauty queen Linda Fida. At the time, Rolls was a newly married 23-year-old architecture student. Linda Fida was a neighbor of his. They lived in an apartment complex in North Miami. Paul was a stalker. I mean, he would plan and watch his prey. He saw her through the peephole in his door to his apartment, and that's how he watched her. When Linda Fida went to do her laundry, Paul Rolls snuck into her apartment, and when she returned, he tried to rape her.

21:19Tracy Smith:She fought back, and he strangled her. This was a nude young girl in the bathtub. Detective Marshall Frank, now retired, rushed to the crime scene. One of the things that we found that was different on this crime scene than other crime scenes was a couple of Band-Aids. Detectives were able to get toe prints off those Band-Aids. Then, a day after the murder, when they knocked on neighbor Paul Roll's door, they immediately noticed Band-Aids on his toes. So they went and took a toe print from him. Compared against the print that they had at the scene, they had their guy. After his arrest, Detective Frank was shocked when Rolls quickly confessed.

22:04There was no voices raised. There was no hate or anger. Just kind of like matter-of-factly going over something that just happened.

22:13Tracy Smith:Detective Frank says Rolls told him he had sexual urges that he couldn't control. I just asked him, how long have you had these kinds of feelings? And he said, for a while now. My thought process was, this man has a severe problem. Detective Frank believes Paul Rolls was the most dangerous type of killer. When you met him at that time, you met a nice guy anybody would trust. Have him over for dinner. You'd never know. You'd never know. Rolls was sentenced to life in prison for the murder of Linda Fida. But in 1985, Rolls' life sentence was abruptly cut short when he was suddenly released and out on parole.

22:58I thought, oh my God, that's not good. That was the deal back then through prison overcrowding and lots of crime in the state of Florida. The average sentence for life in prison was 15 years.

23:11Tracy Smith:Rolls only had to serve 13 years of his life sentence. This is the kind of guy who should not be released in prison. I mean, he committed a heinous crime without any guilt at all. In 1988, Rolls settled in Gainesville, where he worked as a pizza delivery man. He also had another job putting up scaffolding on that apartment complex, Hunter's Run, located right on Tiffany's walking route. He always stayed under the radar. When I interviewed his boss at Pizza Hut, he said it was as if Paul didn't want to be seen. He just maintained an extremely low profile, as many serial killers do. In 1989, just one year after Paul Rolls moved to Gainesville, Tiffany Sessions disappeared.

24:01How could somebody just totally disappear off the face of this earth with no evidence?

24:09Tracy Smith:And it turns out Rolls did not show up for his pizza delivery job on the day Tiffany vanished. And then in 1992, just three years after Tiffany went missing, Beth Foster, that other college student, was found murdered just one mile from where Tiffany went walking. Every time something happened up here in Gainesville, I was concerned. Tiffany's mom, Hillary, immediately thought that the two cases could be related. You thought back then, back in 92, that this could be a serial killer. Absolutely. The same guy who murdered Elizabeth Foster. Could have taken Tiffany. Yep. And I've said that all this time.

24:53But nobody wanted to listen to me.

24:55Tracy Smith:Private investigator Wayne Black says at the time, police couldn't link Rolls to either crime. Remember, we didn't have the forensics that we have today. We were really in the dark ages. And even though Rolls, by then 43, was an ex-con living in the area, police never questioned him. And just two months after Beth Foster's murder, he quietly left town. Paul Rolls had lived in Gainesville for about four years. And I think the heat was on, basically, at that point. So he got out of town. And in 1994, Rolls struck again, this time in Jacksonville, when he raped and attempted to kill a 15-year-old girl.

25:40Tracy Smith:She was able to escape and identified Rolls as her attacker. Rolls was convicted, and this time he was sent to prison for good. He was confronted soon after the crime and gave a full confession. To that crime? Yes. To the young girl? Yes. But what about to the other crimes? Elizabeth Foster, Tiffany Sessions. He wasn't interviewed about either of those cases in a timely fashion. The dots had not been connected. Over the next few years, as DNA technology advanced, detectives submitted Roll's DNA to the FBI database to see if he could have possibly killed others. And although it took 18 years, finally, in 2012, there was a match to Elizabeth Foster.

26:31Tracy Smith:How big of a development was that, linking Elizabeth Foster's death to Paul Roll's? It was huge. Years go on, decades go on, and nothing's happening, no new information. So it was energizing, it was wonderful. Sheriff Darnell knew that if Paul Rolls, who is now 64, had killed Beth Foster, he could also have killed Tiffany Sessions. She was a young white female. They lived in the same quadrant of our county. Paul Rolls didn't show up for work the day that she went missing. You got to look at him. You got to look at him. Detective Allen couldn't wait to confront Rolls, hoping he would cave and confess to Tiffany's abduction.

27:19Tracy Smith:But when the detective went to question him in December of 2013, Rolls was in a coma and dying of lung cancer. Did you hope that maybe he'd wake up? Oh, sure. And with a last twinge of conscience, could, would, should say, I did it and this is where she is. But that didn't happen. Paul Rolls died almost two weeks later. But Sheriff Darnell was not giving up. I sent an email to Kevin Allen saying, crap, crap, crap. Get down there and get his personal belongings as soon as possible. Something in her gut told her to get a hold of Paul Rolls' personal property. And what Paul Rolls left behind changed the entire investigation.

28:09I got chills when Kevin showed it to me.

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28:56Tracy Smith:When Detective Allen went to retrieve serial killer Paul Roll's personal belongings from jail, it was 24 years after Tiffany Sessions disappeared. It was just one box. He didn't think he would find much. And it's just a lot of letters and loose writings and stuff. But then he came across Rolls' address book. I said, I should copy this. This might be relevant. And there in the dead center of the book is a date, 2-9-89. I went, oh my gosh, because that's the date if he disappeared. Then he saw what Rolls wrote next to the date. Then number two. I knew Linda Fida was his first victim. and chronologically, Tiffany Sessions would have been his second victim.

29:47I almost fell down when I saw it. What was going through your head? We have a possible link to the Tiffany Sessions disappearance from Paul Rolls' personal property. It's a huge break. Lucky. Really lucky.

30:03Tracy Smith:And that's not all that was in the address book. Rolls had also written down the names of all of his other victims. Linda Fida, Elizabeth Foster, and the 15-year-old girl roles raped and attempted to kill in Jacksonville, a minor whose name we won't disclose. Some serial killers like to keep a diary. Some keep artifacts. Some like to write down what they've done, a feeling of accomplishment. Look what I did. I've got two, three, four. I said, can I see it? This could be the smoking gun piece of evidence Sheriff Darnell has been looking for all these years. I was literally shaking, holding it, to see it and to see the depth of what that meant.

30:54After all these many years, there's a possibility, just a possibility, that this case could be solved.

31:06Tracy Smith:Once he discovered the address book, Detective Allen ordered up cadaver dogs to search the site where Rolls buried Elizabeth Foster. They all alert about 20 feet from where Beth Foster was buried. So what did that say to you? There's human remains here. And it could be Tiffany. It could be Tiffany Sessions. He obviously was in a comfort zone there. He left Beth Foster there for a reason. so he may have left multiple bodies there. So on January 13, 2014, just one month away from the 25th anniversary of Tiffany's disappearance, Pat Sessions and Detective Allen have gathered a team of people to help at the excavation.

31:5125 years ago we started. I hope we're going to finish. I want to be there for the end of this if it is.

31:57Tracy Smith:Some members of the team have been searching for Tiffany since she went missing.

32:05I've probably been on over 20 searches for Tiffany.

32:08Tracy Smith:Dr. Michael Warren is a world-renowned forensic anthropologist, an expert in identifying human bones. I've had Tiffany Sessions' master file on my desk for 21 years. He's been actively involved in the search for Tiffany since 1991. She's just been one of the cases that I would really like to resolve. And he knows it is not going to be an easy task. It's very hard to go out and do an organized search over such a large area, so we've got to be pretty aggressive.

32:42Tracy Smith:And if they find any bones, Dr. Warren will know if they are Tiffany's. I've memorized her dental pattern and her dental chart. I'll know if it's her or not. To find her would just be a remarkable feeling. Their plan, to dig for five days. I feel good about the operation. I feel good about the people on the ground. So we're all thumbs up, trying to stay positive. After clearing the trees, they now begin the tedious job of sifting through every bit of dirt, looking for pieces of human bone. And in the afternoon, they do find a bone. But it's not human. It's a deer bone.

33:29Tracy Smith:Pat is disappointed, but he knows they have a lot more ground to dig. We've waited this long, worked this hard to get here. It's amazing. The commitment from everybody. And if they don't find Tiffany here, Jason will never stop looking for his sister. I don't have any doubt if I drop dead tomorrow, that he'll just keep on going. I hope he doesn't have to. Maybe we'll get lucky.

33:59Yeah, I'll continue looking forever. As long as there's a lead to follow, we're going to continue looking.

34:06Tracy Smith:With just three days left to dig, Tiffany's mother, Hillary, is adamant. The search will be over. This is definitely the one. You know why? The pieces are fitting. Everything is fitting in place. This is it.

34:42Tracy Smith:Is it hard to imagine that Tiffany might be in that spot? I don't know what's worse, having absolutely no idea what happened to her, or having someone as bad as Paul Rolls having done it. Believing serial killer Paul Rolls murdered his daughter makes it even harder for Pat Sessions to understand how, after receiving a life sentence in 1976, he was ever released from prison. That makes me sick. Tiffany would probably be alive today if they hadn't let that guy out.

35:26Tracy Smith:On day three of the excavation... We're really moving some dirt. There isn't a chance we're missing anything. Pat starts to wonder if Rolls may have buried Tiffany someplace else. Am I losing optimism that we're going to find Tiffany this go-around? It's hard not to. Later that day, Pat's fears come true when excavators finish digging in the areas where the cadaver dogs alerted and find nothing. Certainly dogs are very good at finding the recently dead who are giving off these human-specific scents. Forensic anthropologist Dr. Michael Warren says cadaver dogs sometimes can be unreliable when trying to solve cold cases.

36:08Skeletons are a different thing. They just don't have any odor associated with them.

36:17Tracy Smith:And with no focus on where to dig. By the end of the week, the excavation comes to an end. We have not found Tiffany Sessions. Was it disappointing? Yeah, really disappointing. But we're never going to find out if we don't keep trying.

36:38Good morning, everyone, and thank you for being here. This has been a long journey. And then, just three weeks after the dig,

36:46Tracy Smith:Sheriff Darnell goes public about Paul Rolls. He was in this community. He murdered in this community. He had made comments about this site being a dump site. Darnell hopes that someone will know something that leads them to Tiffany's remains. If you had any involvement with him, if you know of anyone who had involvement with him, bring it forward. For Pat and Hillary, there's a sense of finality to this moment. They think they have their man, even if they don't have their little girl. And above all, they're grateful. I want to thank the people who have come over the last 25 years. They're especially thankful to Detective Kevin Allen.

37:28This is the guy that's made everybody work.

37:31Tracy Smith:He's the one who gave Pat and Hillary the answers they've been longing for. I think he solved the case. I think we found who took Tiffany. I believe that. I think anyone who has children is touched by the case of Tiffany Sessions, especially myself. I know the sheriff, too. Oh, yeah, you take care. It was an emotional day for all of us. Tiffany's case is still officially open, but over the years, Pat and Hillary have tried to bring closure to other parents of missing children. Hillary has worked with advocates on child protection legislation, and Pat works directly with families. You know, you try to find something, as corny as it sounds, try to make some meaning out of something, try and do something positive out of a terrible thing.

38:16And I think that's the best thing I could do. You know, if somebody calls me, I'm there.

38:26My cute little Missy.

38:31I'm very comfortable here in her room. On bad days, like sometimes her birthday, I come and sleep here in the room because I just feel very close to her at that time.

38:48I honestly do think that if Tiffany were here, she'd say, get over it. I don't think she'd want me to be spending my entire life, having already spent 25 years of this, trying to do something that isn't going to bring her back. So if you imagine that she would tell you, knock it off, Dad, move on, why do you keep doing it? For my own benefit. to try and to do what I think I should have done. I don't want to ever, if she walked in the door tomorrow, I want to always be able to say that I did the best I could do. That's all anybody can do.

39:45If you know anything about Tiffany's disappearance, please contact Alachua County Crime Stoppers tip line at 352-372-7867. On August 2nd, Lioness, the hit original series from Taylor Sheridan, returns on Paramount+. I'm scared, Joe. I'm scared how it became that world. The world didn't become this. It's always been this way. Starring Zoe Saldana. Keep running! Michael Kelly. You try to touch us here? It's a two-way street, buddy. With Morgan Freeman. The fallout from this is limitless. And Nicole Kidman. This isn't the end of a fight. This is the start of one. Lion S. New season streaming August 2nd, only on Paramount+.

From the publisher

In 1989, college student Tiffany Sessions seemed to disappear without a trace. A massive search was launched, driven in part by her father, but it turned up nothing. Over three decades later, investigators and her family are still searching for answers. "48 Hours" correspondent Tracy Smith reports. This classic "48 Hours" episode last aired on 8/8/2015. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.

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