When a California mother is stabbed to death in her bedroom, police struggle for evidence. The case goes cold until a tiny clue leads to an undercover sting.

A small town is on edge when a young mother is murdered inside her home. An early arrest and later, a surprising confession, point to a dark conspiracy.

When 18-year-old Heidi Allen vanishes from her convenience store job, two brothers are arrested for kidnapping. But years later, a chilling new story emerges.

Margaret Purk is days from giving birth when, after an apparent suicide, she and her unborn son are dead. 24 years later, new clues emerge. Was it homicide?

When Cabretti Wheeler and his friend Kyle Ellis are killed in Florida the only eye-witness vanishes. The mum of one of the victims risks her own life for justice.

When a husband is arrested for the murder of his wife, most people believe the case is solved. But surprising DNA evidence force police to take a second look.

Two teenage girls fall for men who seem to care about them. Instead, the girls are lured into human trafficking and coerced into prostitution.

When a mother is found dead and covered in paint in the basement of her home, investigators must work tirelessly for 18 months to find the person responsible.

Life is good for 12-year-old Garrett Phillips, until he's brutally attacked. Investigators are left with a vexing mystery that rattles an otherwise peaceful village.

In Southwest Florida, Terrance Williams, a young father, disappears. When his mother retraces his steps, she uncovers something ominous.