A woman's husband becomes the prime suspect in her brutal murder, but the husband provides an airtight alibi.

After a 19-year-old is found dead in her car, detectives discover that her volatile love life could be a major factor.

When mutilated bodies appear around Delaware in 1987, investigators search for the state's first serial killer.

Loretta Bowersock is dropped off at a mall for a day of shopping, but she is never seen again; struggling to come up with a suspect, investigators discover Bowersock has a shocking secret that may explain her disappearance.

In Chandler, Ariz., detectives are shocked when it takes 10 weeks for anyone to report Jamie Laiaddee missing, then they uncover the missing woman's dark secrets and unravel the frightening details behind her mysterious disappearance.

While appearing to have it all, wife and mother Sandra Duyst struggles with crippling depression, and her death appears to have been a suicide, but a message from beyond the grave sends the investigation in an unexpected direction.