NEW: After an attempted execution, attorneys for Christa Pike with the Tennessee Office of the Post-Conviction Defender said she was being treated at a nearby hospital and said they had not been informed of her condition. ↧ 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.