The official coroner's report is sealed at the request of the Los Angeles Police Department due to the ongoing investigation.
The Los Angeles Times, which obtained the warrant, reports that Jackson's doctor Conrad Murray admitted to LAPD detectives that he'd been treating Jackson for insomnia with propofol every night for six weeks.
Murray told LAPD detectives he was nervous Jackson was becoming addicted to propofol, so he was trying to wean him off. He'd been lowering the dosages and mixing it with two other sedatives, lorazepam and midazolam. He says on June 23, he gave Jackson two medications and withheld propofol.
On June 25 -- the day Jackson died -- Murray gave Jackson a number of sedatives. When none worked, he gave him a dose of propofol, according to court records. (Propofol is only supposed to be administered in hospitals.)
On the morning Jackson died, Murray gave Jackson valium at 1:30 a.m. When that was unsuccessful, he injected lorazepam intravenously at 2 a.m. At 3 a.m., he gave the still-awake singer midazolam. He continued to try different drugs over the course of the morning.
At 10:40 a.m., Murray gave Jackson 25 milligrams of propofol -- down from his usual dosage of 50 milligrams -- after Jackson repeatedly demanded the drug, court records show.
Prior court records show that Murray told detectives he then left Jackson alone to make personal phone calls. When he returned, Jackson wasn't breathing. He was declared dead at UCLA Medical Center later that day.
Detectives have been investigating whether Murray's decision to administer Jackson propofol outside a hospital and as a sleep aid would be classified as negligence for an involuntary manslaughter charge.
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