After dog breeder Cam Lyman mysteriously disappeared, and his skeleton was found in a septic tank on his estate, police focused on the so-called "friends" he left behind.

After the dismembered body of tech CEO Falim Saleh was found in his New York City apartment, suspicion turned to his 21-year-old executive assistant..and his double life of fraud and obsession that led to murder.

On Thanksgiving Day in 2009, 35-year-old Paul Merhige crashed a family dinner in Jupiter, Florida, and murdered his aunt, twin sisters, and six-year-old cousin in cold blood. Was it mental illness that led him to massacre his family members...or something else?

After a church fire, police try to unravel a brutal murder, a mysterious dissappearance, and the relationship between church handyman James Matheny and pastor John David Terry.

On a quiet street east of London, Virginia McCullough defrauded her parents, poisoned her dad, then attacked her mother with a hammer and knife before burying their bodies and living with them at home for the next four years. We follow the trial of fraud, fantasy, and brutal murder.

Jason Derek Brown, the Mormon surfer con artist who made the FBI's 10 Most Wanted List after murdering armored car driver Keith Palomares in cold blood, is still on the run. Where is he today, and can we find him?

Was Lara Prychodko's horrifying fall to her death down the 27th floor garbage chute of her luxury New York City apartment building an accident, a suicide...or was she strangled by a hitman?

After financial advisor Lynda Spence was kidnapped, tortured and murdered, Glasgow police unraveled a web of fraud and deceit.

After a mother and her children are discovered dead in Mexico, authorities went on a manhunt for John Addis - a police officer turned personal training con artist, serial abuser, kidnapper....and killer.

David Brown convinced his 14-year-old daughter Cinnamon Brown to kill her stepmother, Linda Brown. Then he seduced Linda's younger teenage sister and sent his daughter Cinnamon to prison while he collected million-dollar life insurance policies. This is a case study of David Brown, a six time husband, truly sociopathic criminal mastermind, remorseless sex predator and red collar criminal.