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.

Amy Vick seemed to die in a tragic accident: drowning in the bathtub after a romantic soak with her husband, Tony. But within days, Tony had seemingly moved on with his life — with his widowed ...

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

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

Officers learn that Amy Vick had been in two major car crashes less than a week before her death. Latest Videos ...

Find out more about the new tour set to take tourists to the site of the 1978 Jonestown massacre in Guyana, and what survivors think.

Find out why Crystal Mangum is coming clean about her role in the 2006 Duke lacrosse rape scandal and admitting she lied in controversial case.

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

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.

Mollie Tibbetts went on evening runs nearly every night, until one day she disappeared.

A search party of hundreds of people goes looking for Mollie Tibbetts.