Christa Pike remains critically ill after two failed execution attempts, renewing scrutiny of Tennessee's lethal injection process and sparking debate over the death penalty ▻ ↧ Tennessee execution survivor Christa Pike unconscious on ventilator... Convicted killer Christa Pike was left gravely ill, unconscious and hospitalized on life support after Tennessee's failed ​attempt to execute her by lethal injection, her lawyers said on Friday, providing the first detailed account of the injuries she suffered.