Troy Roberts

A woman seeks closure by speaking with her sister and brother-in-law's killer more than 20 years after their deaths.

Twenty years after a Palm Beach socialite killed her husband, the same gun is used in another shooting in the family.

A 16-year-old Utah girl dies by suicide, and her friend is charged with first-degree murder.

The 1979 murder of Janet Walsh frustrates police for decades, then DNA technology plays a key role in solving this 30-year-old cold case.

The investigation into the 2006 disappearance of a man believed to have been eaten by alligators leads investigators in an unexpected direction.

The dangers of anonymous chat apps; a father discovers his 15-year-old daughter planning to run away with a 30-year-old man she met online; a teenage girl is found stabbed to death after making friends online.