When a nine-year-old girl vanishes, suspicion falls on her troubled teenage neighbor.
A young couple vanishes days after telling friends about a disturbing man at their campsite.
A decorated Marine is ambushed and killed at her kids' school, triggering a frantic police pursuit.
When a woman's husband and lover are found dead, police uncover a deadly marriage pact.
Police investigating a brutal double-homicide learn the prime suspect appears to be a grandmother.
When a religious woman goes missing, her Christian family begins to question her husband's devotion.
Detectives race to find a serial killer lurking in the forest before he selects another victim.
A conversation over a card game in prison sparks an investigation into a notorious serial killer.
Detectives uncover a shocking murder-for-hire plot targeting a beloved firefighter.
A near-decade-long manhunt ends when one victim escapes, leading police to a serial killer.