Tennessee's prisons chief is resigning after the failed execution of Christa Pike

Governor says Tennessee’s prisons chief is resigning after failed execution of Christa Pike AP NewsWith Christa Pike Unconscious, Another Execution Attempt Is in Doubt The New York TimesTennessee prison chief quits over aborted execution DW.comChrista Pike's botched execution fuels questions over whether lethal injection is the 'more humane' way to put people to death YahooChrista Pike unconscious, burned and intubated, court filing shows The Tennessean