Investigation Discovery (ID) channel’s new show, “Mean Girl Murders,” premieres Monday, March 13 at 9 p.m. EST. It gets started with a bang with episode one, titled “Battle of the Besties ...

The cable network Discovery ID will revisit the murder as part of a six-part series called “Heart of Darkness.” Oulton’s episode, called “Gambling with the Devil,” airs at 9 p.m. Saturday.