Missing School Girl: FBI Manhunt For America's Most Dangerous Predator

In the summer of 1999, Texas was terrorized by a brutal serial killer who traveled by train. The FBI assembled a task force to gather information about the dangerous drifter and create a profile that would help locate him. Unravel the mystery alongside the FBI's greatest law enforcers and forensic scientists. Season 5 Episode 6: An FBI task force conducts an international manhunt to find a Mexican serial killer.

A cross-country predator leaves a red Chevy behind and a hostage in danger. Inside the dragnet, the FBI pieces together a killer's trail before time runs out. From Sarah Mitchell’s roadside escape to a shotgun standoff with police, this episode follows the breakneck search that begins in West Palm Beach and points to a chilling name: Paul John Knowles. A hidden Volkswagen, a Fort Pierce motel check-in under an alias, and a yellow Dodge Demon tie-ins raise the stakes. As Agent James Cavanaugh builds a psychological profile, evidence links Knowles to a murdered schoolteacher in Jacksonville Beach, a brutal Atlantic Beach killing, and a Milledgeville double homicide traced through stolen clothing and a newspaper clipping. With Deborah Taylor captive and Knowles obsessively scanning newscasts, investigators chase credit card breadcrumbs across dozens of states and a last will that finally reveals his identity. What they uncover about his past changes the urgency of the hunt. Watch to see how a red Impala, a forged identity, and a terrifying confession push the FBI to close in before he kills again.

A worn $20 in a Charlotte bank sparks a three-year chase across America. What begins as a counterfeiting case unravels into something far darker than agents ever imagined. This FBI Files Movie of the Week pulls you inside the evidence rooms, the interviews, and the moment the case turns from money to menace. Watch to see how agents piece together the Mall Passer’s depraved legacy—and what they still need to find.

For nearly two decades, a mysterious domestic terrorist terrorized America with a wave of untraceable, hand-crafted mail bombs targeting universities, airlines, and corporate executives. Known by the FBI code name UNABOM (University and Airline Bomber), the perpetrator left three people dead and wounded dozens more, baffling federal investigators for nearly 17 years. This episode follows the relentless FBI investigation that became one of the longest and most expensive manhunts in U.S. law enforcement history. Discover how forensic experts analyzed microscopic evidence, how the publication of the suspect's 35,000-word manifesto became a pivotal turning point, and how a crucial tip from the suspect's own brother ultimately led agents to a remote, off-the-grid cabin in Lincoln, Montana, where Theodore "Ted" Kaczynski was arrested. Episode Breakdown The Reign of Terror: The origin of the bombing campaign starting in 1978 and the escalation of homemade explosive devices sent through the U.S. Postal Service. The UNABOM Task Force: FBI agents, postal inspectors, and forensic scientists join forces to decipher the bomber's methods and motives. The Manifesto: The high-stakes decision by the FBI and Attorney General

In June 1973, a young girl was abducted from a state park on the Missouri River while camping with her family. Several months passed with no leads, then an FBI agent took a particular interest in the case.

A fugitive drug dealer engaged in a shootout with state troopers, wounding two of them, and eluded capture after a high-speed chase, in this sneak peak from this weekend's Full Episode. Unravel the mystery alongside the FBI's greatest law enforcers and forensic scientists.