Christa Pike, who became Tennessee's only death row inmate after butchering her high school romantic rival in 1996, is the subject of a new "Mean Girl Murders" episode.
Christa Pike, Tennessee's only woman on death row, the subject of Investigation Discovery's 'Mean Girl Murders' yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.