Tracy Smith

A Mormon mother fights charges that she is responsible for the death of her son, who she claims was the victim of a simple household accident.

Authorities must determine whether the death of a preacher's wife was murder or suicide.

A young woman recounts playing dead to survive a shootout that killed her mother, stepfather and brother in 2005.

A woman convicted of second-degree murder for killing her estranged husband claims it was self-defense.

An investigation into the disappearance of University of Virginia student Hannah Graham reveals that the killer may be linked to other attacks against women that occurred over the course of a decade.

The death of Shannan Gilbert; the detective who ran the investigation into the Long Island serial killer talks about the case.