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

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

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.