When Iowa investigators respond to the scene of a local man's fatal shooting, his girlfriend claims it was self-defense. As their turbulent relationship is examined, her social media history reveals a ...

An Iowa woman shot her live-in boyfriend multiple times and claimed she fired repeatedly in self-defense. Find out how investigators learned the truth.

Marique Ruth when speaking to police stated she had a choice between a gun and a cellphone when dealing with John Killen, and ...

Learn more about the 1988 disappearance of pregnant mom Ronna Bremer, who vanished from her Ozark, Missouri home.

Gina Spann frantically calls 911 when she finds her husband, Kevin, shot to death in their house - but what really happened to him?

When a decorated Army veteran is shot to death at his own front door, a web of deceit and toxic romance is revealed.

Francoise "Frenchy" Pitoy and Jack Enders were an elderly longtime couple who were brutally murdered in their New Jersey home ...

Stephen Leung's daughter identifies his body days after he went missing, though her mother and sister are still nowhere to be ...

A murder investigation escalates into a family massacre in the first episode of The Death Investigator with Barbara Butcher. Learn more about the case.

Kelly Siegler and the Cold Justice team discuss their effort to find the body of Brandy Nicole Wilson, who has been missing ...

Learn more about the alleged horrific acts serial killer Joseph Naso's former wife, Judith, said she was subject to while ...

Update to Ellen Greenberg's Jan. 26, 2011 death in her Philadelphia apartment and why there are questions about her death.