A presumed suicide shifts to foul play when a second dead body turns up.

A Seattle woman is brutally murdered close to a homeless encampment.

A depraved killer snuffs out the life of a promising young schoolteacher.

Some three miles off the Jersey shore, boaters discover the remains of a 16-year-old girl. An unlikely clue leads detectives to the killer’s cold-blooded conspiracy.

A med student is found pinned to her bedroom floor with a large knife. Det. Frank Dillard must employ his skills as an interrogator to hunt down a serial killer.

A young mother is viciously gone down on Virginia’s Chincoteague Island.

An industrious teen learns there's a fine line between friends and killers.

A slain woman's disabled child may hold the key to solve a double murder.

In Pennsylvania, the body of a computer programmer is found submerged in a bathtub. Leads are scarce until detectives uncover a series of troubling voicemails.

A gruesome attack on a couple sets of a nationwide hunt for the culprit.