Crime Exposé With Nancy O'Dell

Roxie Faizy was killed by fiancé Brian McMahon for money after she planned to leave him over infidelity.

Randy Baker's "heart attack" was a murder plot by his wife and sister for life insurance.

Nurse Tina Tournai-Sandoval vanished; 22 years later her ex-husband was found guilty of her murder.

Wendy Ralston and her son Peyton were murdered and buried by her ex-boyfriend.

Sherry Ziessler's husband claimed a shooting by a stranger, but home security showed he was the killer.

Cyclist Moriah Wilson was shot by Kaitlin Armstrong, jealous over her boyfriend Colin Strickland.

Travis Sieber's dating life drew many suspects before police found his killer.

Julie Ann Gonzalez vanished; police suspect she was murdered in a planned deception.

Jessica Nelson was murdered by a rejected suitor posing her death as a robbery.

Murder of Genai Coleman: A DNA sample from the victim's car leads police to her killer, but it's not who they expected.

Murder of Donasia Holloway: A Snapchat video Donasia filmed of her own murder helps police identify her killer.

Murder of Barbara Sheppard: A custody battle turns deadly when Barbara's ex murders her in revenge.

Murder of Clark Calquhoun: A missing man case becomes a homicide after investigators uncover the horrific truth.

Murder of Dr. Teresa Sievers: Clues at the scene reveal a sinister murder plot against the beloved doctor.

Murder of April Millsap: A man murders 14-year-old April after she rejects his advances on a bike trail.

Murder of Pam Hutchinson: A tourist's killing sparks a nationwide manhunt for her ruthless killer.

Murder of Joseph and Jossline Roland: A fake car ad lures the Rolands to their deaths in a double shooting.

Murder of Lynn Hernan: An apparent overdose is revealed as a staged killing by a thieving friend.

Murder of Camisha Hollis: Her children's account and surveillance footage link her disappearance to her boyfriend.