>> he knew that that was the only thing that worked for him. i constantly cautioned him. >> cautioned him and claims murray tried to wean him from the drug. still, jackson pressed for propofol on the day he died. >> he said, "i can't function if i don't sleep, so i agreed that i would switch over to the propofol. >> then murray said he sat at jackson's side. >> i monitored him, saw his oxygen saturation was stable. heart rate, everything looks stable. then i needed to go to the bathroom. then i came back to his bedside and i was stunned in the sense that he wasn't breathing. >> dr. murray not only admitted he gave michael jackson propofol in the hours before michael jackson died but he said, oh, sure, i've been giving it to him