01. Haunted
A man has recurring nightmares about a murder he witnessed as a youth.
02. The Steel Town Slayer
A woman finds human remains in a driveway in Hamilton, Ont.
03. Corridor Killer
An attack on a homeless woman provides clues to the identity of an elusive serial rapist.
04. The Toy Box Torturer
Recalling the case of a New Mexico man who allegedly kidnapped and tortured women.
05. Like a Huricane
A seemingly charming new resident of a rural Alabama town is linked to a deadly house fire.
06. A Wolf Among us
The body of a teenage girl is found in Elkhart, Ind., a week after her disappearance, sparking a manhunt for her killer.
07. Hunting Humans
A serial killer strikes in rural Northern California.
08. Trained to Kill
A Seattle doctor is attacked outside his home, and the investigation leads to a violent ex-cop who may be linked to another crime from nine years earlier.
09. The Bayou Strangler
A serial killer stalks young men in Louisiana.
10. A Deadly Burning
A serial arsonist is hunted in Washington, D.C.
11. Captured Alive
A 2011 arson investigation in Texas leads to a widespread hunt for a sexual predator.
12. A Killer in Disguise
A gunman terrorizes Orange County, Cal.
13. To Kill and Kill Again
An Indiana nurse becomes suspicious when the death toll at her hospital quadruples over two years.
14. Last Call Killer
New evidence comes to light in a cold case involving a serial killer who targeted gay men in the early 1990s.
15. Hell on Wheels
Two Texas teenagers go missing.
16. 911 to Murder
Women begin turning up dead soon after an ex-convict is released from prison.