Unusual Suspects

A small-town matriarch's friends and neighbors come under suspicion after she is found murdered.

A video tape surfaces after a naval officer is raped and stabbed suggesting a cover-up.

In Fort Pierce, Fla., detectives investigate the strangling death of a tax attorney.

A Philadelphia suburb is rocked by the murder of 67-year-old Alice Hufnagle.

A young Navy wife is found raped and strangled to death in her home near the Mayport Naval Station.

Investigators suspect a college student's kindheartedness may have led a killer to his door.

Investigators uncover the heartbreaking truth behind an elementary school teacher's disappearance.

In La Jolla, Calif., telemarketing manager David Stevens' charred body is found in a burned-out car.

After Dalene Carlson goes missing, a tractor operator makes a gruesome discovery in a cornfield.

A young girl vanishes, and the case goes cold until a bus-stop encounter breathes new life into it.

Student Deborah Wilson is found strangled to death in a computer lab without her shoes and socks.