Season 5

In 2004, the cat-and-mouse hunt for a serial killer targeting black females antagonizes investigators in Peoria, Ill.

When five people vanish in 1993, cops have zero leads; seven years later, someone connected to the case starts to talk.

In 1995, when a 14-year-old girl in Happy Valley, Washington, goes missing, detectives uncover a grim family secret.

In 2001, in Cortez, Colo., the violent murder of a gay Navajo teenager means two spirits die with him.

For six months in 2014, a serial killer preys upon innocent victims in Los Angeles.

In 1995, a desperate mother in Conroe, Texas, learns the hard way that sometimes Satan takes the form of a family friend.