A retired couple are found beaten to death in their country club estate, but detectives soon discover that what happens in Vegas doesn't always stay there as they hunt down this monstrous killer.

A single mother is strangled to death in the middle of a Hawaiian paradise; investigators quickly focus in on two suspects, but nothing comes easy as they spend more than a decade striving to bring her killer to justice.

A woman is found stabbed to death in her apartment; with a long list of admirers, investigators uncover secret obsessions leading to a sadistic killer suspected by no one.

After a woman is found shot dead, with her 9-month-old daughter in the next room, detectives uncover a web of late-night encounters, secret lovers and seething jealousy.

What originally looks like a heart attack turns out to be a calculated execution; soon, detectives unravel a murder plot that hits a little too close to home.

When a prominent attorney is found savagely stabbed to death in her office, investigators find themselves with a long list of suspects from violent felons to lesbian love triangles; in the end, they find a killer as cold as they come.

A brutal attack leaves witness to a murder; but when the police find the killer, it turns out the intended victim, and the motive, were not what anyone imagined.

A teenage girl is found beaten to death at the neighborhood pool, launching her father on a mission to catch her killer that ultimately changes crime fighting forever.