Margaret Kellis’ family believed that she was involved in the deaths of two other husbands as well as Dallas Kellis’ slaying.

Find out why Mary Jane Fonder fatally shot fellow congregant Rhonda Smith in an office of their Pennsylvania church, and how "jealousy" played a role.

Find out how investigators determined Tony Vick was responsible for the deaths of wives Amy Vick and Kathy Beadle.

When a woman drowns in her tub, police think a recent purported suicide attempt holds the answer. But two years later when her husband confesses to the murder of his second wife, the cause of the ...

Learn how the families of "Night Stalker" Richard Ramirez's murder victims coped with immense loss, compounded by a ...

After a call asking for help, Jeff Gebhardt goes missing. Hours later, officers find him dead.

Investigators question the involvement of Tony Vick in another mysterious family death and a house fire.

A daughter speaks out about a life insurance policy that may have served as motive for her father to kill her mother.

Collier Landry speaks about a conversation he had just days after his mother disappeared.

Learn more about Ruth Marie Terry, whose gruesome murder is the subject of the Oxygen documentary Lady of the Dunes: Hunting ...

Mary Jane Fonder, later charged with the death of Rhonda Smith, may also have been involved in the purposeful killing of her father and of a dog.

Find out why Tahereh Ghassemi was kidnapped from her Louisiana home and killed and how her ex-husband, Hamid Ghassemi, was involved and what he stood to gain.