Crazy courtroom footage shows the moment 18-year-old Christa Pike was sentenced to death for murdering classmate Colleen Slemmer.Christa Pike grew jealous of her Job Corps classmate, 19-year-old Colleen Slemmer, believing she was trying to steal her boyfriend, though Slemmer's friends denied this.On January 12, 1995, Pike, along with friends Tadaryl Shipp and Shadolla Peterson, lured Slemmer to an abandoned steam plant near the University of Tennessee.