Tennessee execution pause through 2022 could last longer


              FILE - In this Oct. 13, 1999, file photo, Ricky Bell, then the warden at Riverbend Maximum Security Institution in Nashville, Tenn., gives a tour of the prison's execution chamber. Tennessee Gov. Bill Lee has ordered an independent investigation of the state's lethal injections in early May, 2022, and paused all executions through the end of the year. (AP Photo/Mark Humphrey, File)
            
              FiLE - A group of capital punishment protesters pray on the grounds of Riverbend Maximum Security Institution before the scheduled execution of inmate Oscar Smith on April 21, 2022, in Nashville, Tenn. Tennessee Gov. Bill Lee has ordered an independent investigation of the state's lethal injections in early May, 2022, and paused all executions through the end of the year. (AP Photo/Mark Humphrey, File)
            
              FILE - Officers on horseback guard the entrance to designated demonstrator areas near Riverbend Maximum Security Institution as people wait to enter before the scheduled execution of inmate Oscar Smith on April 21, 2022, in Nashville, Tenn. Tennessee Gov. Bill Lee has ordered an independent investigation of the state's lethal injections in early May, 2022, and paused all executions through the end of the year. (AP Photo/Mark Humphrey, File)