Doctor Conrad Murray, who is facing the manslaughter trial in Michael Jackson's death, admits giving anesthetic propofol to the singer.
In a police interview conducted two days after Jackson's death, Murray narrated in a collected, steady voice, the long hours during which he tried in vain to get the star to sleep on drugs other than propofol, the powerful surgical anesthetic that ultimately caused Jackson's death, the Los Angeles Times.
In the tape, Murray details his treatment of Jackson, including his administration of propofol and admits giving the medicines, which Jackson reffered to as 'Milk', but said he did not administer enough to cause death.
The interview was played yesterday, the ninth day of the trial, after defence attorney J Michael Flanagan finished cross examination with coroner's toxicologist Dan Anderson, who said propofol was found in various parts of the singer's body, his blood and urine during an autopsy.
The amounts found led coroner's officials to conclude that Jackson died from acute propofol intoxication, with other sedatives administered by Murray contributing to the death.
However, defence has been arguing that Jackson gave himself the lethal dose after Murray left the room.
Murray has pleaded not guilty to involuntary manslaughter and faces up to four years behind the bars and the loss of his medical license if convicted.
The defence attorney attempted to get Anderson to say that high levels of the sedative lorazepam found in Jackson's stomach meant that he swallowed the drug himself.
Anderson told jurors he couldn't determine that based on the information he had.