. >> it is a merged jenson's personal doctor, conrad mourey, told police he gave the star different sedatives, including propofol the morning he died but also worried jackson was becoming addicted and tried to wean them off. he is at the center of the investigation. it wants to know what part, if any, he played in michael jackson's death. establishing that could lead to charges of manslaughter. his lawyers say much of the court papers about jackson's last hours as police barry and not fact. last week he issued an online plea for sympathy. >> i have done all i could do. i told the truth and i have paid the truth will prevail. >> the l.a. coroner's office will confirm reports they are treating jackson that as a homicide. two months on, it is clear authorities remain focused on the theory that someone else was to blame. bbc news, los angeles. >> i am joined by a consultant anesthetist at imperial college health care trust here in london. use all let report. what is your reaction to this news of the number of drugs michael jackson seems to have had? >> it is astonishment, really. when the first r