29: Israel Keyes: Inside the FBI Investigation
Was Israel Keyes really a criminal mastermind—or have we misunderstood him all along?For years, Israel Keyes has been portrayed as one of the most methodical serial killers in modern history: a man wh...
1 Jul 57min
28: Son of Sam: Did David Berkowitz Act Alone?
Demonic dogs. Satanic cults. Multiple shooters. Endless conspiracies. Did David Berkowitz act alone?For nearly fifty years, the Son of Sam case has inspired theories. David Berkowitz would later claim...
24 Jun 50min
27: Colonel Russell Williams: A Predator Above Suspicion
How did a man who passed every background check, every promotion board, and every security clearance manage to hide a violent double life for years?Colonel Russell Williams was one of the most trusted...
17 Jun 49min
26: Clifford Olson: The Killer Who Sold Bodies
In 1981, children were disappearing across British Columbia. Parents feared a predator was stalking bus stops, shopping malls, and highways throughout the Fraser Valley. What investigators didn't real...
10 Jun 48min
25: Wayne Williams: Psychopath or Scapegoat?
For nearly fifty years, Wayne Williams has insisted he is innocent. But when you step back and examine the evidence as a whole, the picture becomes far more complicated.In this episode of UNMARKED, I ...
3 Jun 55min
24: Erin Caffey: Who Was Really Responsible?
In 2008, 16-year-old Erin Caffey was accused of helping orchestrate the murder of her own family in rural East Texas. But nearly two decades later, one question still divides everyone who studies the ...
27 Mai 54min
23: John Wayne Gacy: What His Death Row Attorney Discovered
John Wayne Gacy murdered at least 33 young men and boys. But for years after his conviction, attorney Karen Conti sat across from him on death row, trying to understand the man behind one of America’s...
20 Mai 55min
22: The Happy Face Killer: Psychopathy, Control, and Confession
Keith Hunter Jesperson wanted to be seen. Between 1990 and 1995, the long-haul truck driver murdered women across the United States while carefully shaping the story around himself. He wrote letters t...
13 Mai 46min
