Seven months after pentobarbital was 1st made use of in an execution, Lundbeck instituted distribution controls. Georgia had employed pentobarbital from an undisclosed supply in a June 2011 execution, and Fretland found e-mails from the future thirty day period proving that Oklahoma officers knew that the inmate had remained acutely aware for more time than he was supposed to and could have knowledgeable serious agony.