Christa Pike killed a 19-year-old girl in 1995 when she herself was 18 years old, now 31 years later she is set to becom

Christa Pike killed a 19-year-old girl in 1995 when she herself was 18 years old, now 31 years later she is set to become the first woman to be executed in Tennessee in 200 years; here are details of the gruesome crime