This FBI case explores a serial killer whose unusual behavior became a key part of the investigation. His distinct pattern ...

The FBI Files - Episode 506 - Tracks Of A Killer A serial killer rides the rails across America, picking towns and victims at random. He leaves a trail of blood but no trace of where he'll turn up ...

The FBI Files - Episode 214 - Killer Abroad Beginning in 1990, a serial killer held Europe in his grip, hopping borders to kill again. An international manhunt closes in, but he always seems one step ...

A brutal series of murders sends shockwaves through multiple communities as the FBI races to identify and stop a dangerous serial killer. As investigators uncover new evidence, the fear continues to ...