The governor of Tennessee ordered an investigation and a temporary halt to scheduled executions after Christa Pike appeared to still be breathing and was sent to a nearby hospital in an unknown condition after an attempted execution. Read more: ↧ Christa Pike appeared to still be breathing after attempted executi... Christa Pike, 50, was sentenced to death after being convicted of the 1995 murder of 19-year-old Colleen Slemmer.