Investigator Clarence Douglas tackles the case of Angel Doe, a little girl found dead in a ditch near the Houston Bayou, promising not to neglect her in death, like she was in life.

One year into the most demanding case of his career, Riverside, Cal., senior investigator Bob Creed arrives at the scene of the 16th murder in a string of slayings. But this one is different. It's on his grandfather's property, where he spent most of his youth.

John Cameron moves to Montana to start his career as a cop. When a child disappears, he is resolved to prove everyone wrong after the suspect is someone he knows. As John fights to clear her name, he digs into the world of a ritualistic child killer.

A young woman fails to return to her home in Boulder, Colo, and she is later found decapitated; Detective Steve Ainsworth soon learns she was part of a mysterious Apostolic church group, led by a pastor who has a reputation for preying on the weak.

A missing person case turns suspicious when a well-liked Wausau, Wis., man doesn't show up for work one morning. Investigator Larry Woebbeking finds himself in an unexpected predicament when the girlfriend of the victim appears to have fallen for him.

Detective Eddie Herman of Cobb county, Georgia is a homicide detective at the top of his game, solving major high profile crimes. But when a missing persons turns into a double homicide, Eddie's ego gets in way and the killer walks free.

A suspicious hit and run rips a Lakeland, Florida family apart. Detective Tommy Ray takes the grieving wife and daughter under his wing. But when the case goes cold, an unexpected encounter makes him realize they aren't who he thinks they are.

A rookie homicide detective becomes too close to the mother of a murder victim and shares the dark secrets that led to the son's death with her.

A hardened LAPD homicide detective has his eyes opened by the mother of a senselessly murdered woman.

Still troubled after killing someone in the line of duty, Detective C.W. Jensen faces the most haunting case of his career: A missing child becomes a harrowing pursuit of a Portland, Oregon child serial killer, pushing C.W. to the brink of suicide.