Botched Execution: Oklahoma Governor Launches InvestigationAn execution in Oklahoma is raising new questions tonight about the death penalty, as states struggle to cope with a shortage of drugs used for capital punishment.Botched Execution: Oklahoma Governor Launches Investigation02:17PrintApril 30, 2014, 11:55 PM UTC / Updated April 30, 2014, 11:55 PM UTCBy Pete WilliamsPete WilliamsPete Williams is an NBC News correspondent who covers the Justice Department and the Supreme Court, based in Washington.