A young woman's lifeless body is found on the bank of a shallow river. Would a note found in her pocket be the key to finding her killer?

The body of a young woman is found in the ashes of a fire.

Patti Berry disappears on the way to pick up her child at the babysitter's, then her body is found in a secluded wooded area not far from her abandoned blood-soaked car.

A teenager vanishes from a movie theater parking lot.

After missing newlyweds are found murdered, family members and friends point fingers at each other, leading investigators to believe someone close to the victims is responsible for their deaths.

Nine days after 11-year-old Mary Stiles goes missing while trick-or-treating, a letter arrives at the police station leading investigators to Stiles' body; then, investigators must decipher a series of riddles before the killer strikes again.

Fifty-year-old mother of three Marilou Johnson disappears from the home of her boyfriend, Roger Blanchard, a wealthy retired businessman, then it becomes clear Johnson has met with foul play.

A teenager's disappearance during a visit to her hometown marks the beginning of a terrifying 30-year mystery.

In San Antonio, 25-year-old video game store manager Amber Belken is murdered in an apparent robbery gone wrong, but detectives are troubled by the evidence and dig deeper.

When a college student goes missing from a mall parking lot, police are convinced foul play is behind her disappearance.

Will law enforcement ever catch a sexual sadist whose crimes have tormented the state of California for decades?

A Las Vegas starlet mysteriously vanishes during a visit to a local spy store.

After a father of four is gunned down, police investigate, discovering that nothing about the crime is what it appears to be.