logo
episode-header-image
Oct 2024
32m 13s

Unsolved Double-Disappearance: Bryan Hay...

Studio 222
About this episode

When two special needs students vanish from a Florida middle school, delayed search efforts yield tragic consequences. The FBI identifies a serial predator as a potential suspect after nearly 20 years in this episode of Last Seen Alive.

If you have any information on the disapperance of Bryan Hayes and Mark Degner, please contact the Jacksonville Sheriff’s Office at 904-630-0500.

See photos from this episode and check out the sources we used to research it here:  

https://lastseenalivepodcast.com/2024/10/21/unsolved-double-disappearance-bryan-hayes-and-mark-degner/

Support LSA and the DNA Doe Project by getting a shirt or hoodie on our store:

https://last-seen-alive.printify.me/products

Up next
Oct 6
Unsolved Disappearance: Joanie Hall
When a small-town Oregon teen vanishes on her way to her after-school job, thorough searches prove fruitless, and investigators suspect foul play. Multiple potential suspects arise in a heartbreaking search for the truth in this episode of Last Seen Alive. If you know anything ab ... Show More
42m 5s
Sep 29
Unsolved Homicide: Diana Robertson (Revisited Case)
When a young family ventures into a remote Washington forest in search of the perfect Christmas tree, a dark mystery unfolds. Parents go missing, a child is found wandering alone in another town and all of Washington state wonders whether a serial predator may be waiting in the w ... Show More
48m 11s
Sep 22
Unsolved Homicide / Disappearance: Bill and Kay Wood
When an elderly Iowa man is found deceased in the ashes of a suspicious housefire, investigators determine not only that he was murdered, but that his wife is nowhere to be found. Investigators attempt to piece together who may’ve been responsible for the murder of one unlikely v ... Show More
34m 54s
Recommended Episodes
Apr 2025
The Disappearance of Brittany Tee (Massachusetts)
For more than two years, the family of Brittany Tee along with the Brookfield, Massachusetts, community and multiple law enforcement agencies have been searching for answers to her unexplained disappearance. It’s as if she simply vanished that January night, leaving no semblance ... Show More
32m 40s
Mar 2025
Replay: Toby Anderson
At just 16 years old, Toby Anderson found himself tangled in a web of trouble. His teenage years were marked by hardship, pushing him to act out in ways that strained his relationships. Sent to a juvenile facility in Northern California, Toby was shuffled between different family ... Show More
1h 8m
Sep 25
The Disappearance of Stefanie Damron (Maine)
Stefanie Damron’s parents say that their 13-year-old daughter walked out the door and into the woods one September afternoon in 2024, and she hasn’t been seen or heard from since. They have their own suspicions about what happened to her, but so far, a multi-agency effort hasn’t ... Show More
22m 43s
Apr 2025
Who Killed Emily Pike? No More Stolen Sisters
On February 14th, 2025, 14-year-old Emily Pike’s dismembered body was found in garbage bags in a remote part of an Arizonan forest. This discovery came about three weeks after she had gone missing. Not only was this a horrible crime committed against a child, but Emily was also a ... Show More
1 h
Jan 2025
The Murders of Carol Caswell, Lisa Snyder & Sheila Holmes (New Hampshire)
Carol Caswell, Lisa Snyder, and Sheila Holmes were forever connected when their names surfaced during the interrogation of a suspect who would later be charged and convicted in one of their murders. That same individual remains the primary suspect in at least one of the two other ... Show More
46m 36s
Sep 25
The Disappearance of Attiin Rachmawati Shaw (Maine)
In early 2023, pleas for help reached the small Aroostook County town of Washburn, Maine from across the world in Indonesia. Family members and friends of Attiin Rachmawati Shaw hadn’t heard from her in over a year and the stories they were told about her suspicious disappearance ... Show More
29m 28s
Aug 21
The Disappearance of Michael Madore (Maine)
When Michael Madore vanished almost 30 years ago, the first theories of his disappearance were pulled from letters found at his house: he was supposedly leaving behind his home and belongings and dogs to start a new life in Alaska. That’s the story police in Milo, Maine, first he ... Show More
38m 44s
Jan 2025
The Murders of Mark Harnish & Theresa Marcoux (Massachusetts)
It was one of the most confounding unsolved crimes that the town of West Springfield, Massachusetts, had ever seen. Two young people, shot and killed in their car without any conceivable motive. This seemingly random double murder remained unsolved for over 40 years…Until police ... Show More
33m 43s
Apr 2025
Hiding in Plain Sight | Chapter 7
For decades, Dana’s killer remained a ghost. Until now.With a new weapon in their arsenal—cutting-edge forensic genealogy—investigators uncover a truth that had been buried in plain sight. In just 19 days, they identified a man who was never on law enforcement’s radar. A man who ... Show More
29m 34s
Sep 22
WANTED: Michael Bullinger
When a pilot murders his wife, his secret lover and her daughter and then vanishes into the Wyoming wilderness, leaving his getaway car behind, a massive tri-state manhunt ensues for the family annihilator. Eight years later, there’s still no sign of Mike Bullinger and questions ... Show More
44m 31s