The failed execution of Christa Pike, which left her clinging to life in Tennessee, was the latest grisly error to take place in an American execution chamber.

© Denny Simmons / The Tennessean/USA TODAY NETWORK, via Reuters

The failed execution of Christa Pike has prompted new scrutiny of Frank Strada, the state’s top prison official, and his past role overseeing executions in Arizona.

© Mark Humphrey/Associated Press

The failed attempt with Christa Pike has intensified bipartisan concerns about Tennessee’s ability to effectively carry out lethal injections.

© Denny Simmons/The Tennessean, via USA TODAY NETWORK, via Reuters