Crystal Ponti

The New Hampshire serial killer admitted to killing two men on her farm, but claims it was because God told her to punish pedophiles.

Psychologist and professor Fathali Moghaddam spoke with A&E True Crime to unpack the motivations behind people who kidnap and abduct.

Since his arrest in 1980, the killer also known as the 'Times Square Torso Ripper' has spent his days at the New Jersey State Prison, where he has since confessed to additional murders.

Since his incarceration in 2004, for the murders of 71 teenage girls and women, 'Green River Killer' Gary Ridgway has lived a life of isolation at Washington State Penitentiary.

The 1995 murder of Maurizio Gucci, former heir to the Gucci fashion empire, led to the conviction of his ex-wife Patrizia Reggiani, and others, in a high-profile case that made headlines across the world.

On December 4, 1978, Billy Milligan, who was charged with the kidnapping, robbery and rape of three women, became the first defendant found not guilty by reason of insanity due to multiple personality disorder, now reclassified as dissociative identity disorder.

According to testimony from friends and family, victims of the "Killer Clown" shared some surprising common connections and tragedies in their lives.

Across the United States, cadaver dogs are used in a variety of crime investigations, ranging from missing persons cases to murder.