Unusual Suspects

Detectives leave no stone unturned after a teenager is stabbed to death in his Salt Lake City home.

Twenty-three-year-old Ashley Kline is found murdered in a Pennsylvania wildlife preserve.

After an 8-year-old girl is found strangled to death, a woman helps bring her killer to justice.

After a night out, a young woman ends up in a shallow grave, and her killer evades police.

Denver police spend 10 years tracking down the killer of a disabled woman.

A young woman's killer finally slips up and gives police what they need to put him behind bars.

After an actor is gunned down in Arizona, police chase down leads until they finally get their man.

A young woman is found murdered in her Portland, Ore., apartment on Christmas day.

Police must puzzle out the truth when a girl describes her mother's killer as being a ninja.

Police make an arrest in the contract killing of a California businessman.

The leading advocate for the science of cold fusion is beaten to death.

In Santa Monica, Calif., a man who killed an art teacher remains at large for years.