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.

A decorated former U.S. Army soldier who pretended to take on a hit job for two Houston-area doctors talks about the case.

When a woman disappears, no one reports her missing for months until she misses an appointment with her hairdresser.

A family man targeted for death lives to climb out of his own "grave"; a look at the sting operation that took down a hit man-for-hire scheme.

A driven detective uses cutting-edge technology to try to solve the nearly three-decade-old murder of two beloved grandmothers.

A mother's concerns lead police to the scene of her daughter's murder in the Los Angeles home she shared with her producer boyfriend.