Investigators seek more information from Michael Jackson's doctor

LOS ANGELES, July 22 (Xinhua) -- Investigators trying to determine what killed Michael Jackson are seeking additional information from the personal physician who was with him when he died, it was reported on Wednesday.

Officials from the Los Angeles County coroner's office have requested another interview with Dr. Conrad Murray, who already has been questioned twice by Los Angeles Police Department detectives, the Los Angeles Times said, quoting Murray's lawyer, Edward Chernoff.

Investigators also asked for medical records beyond those that Murray previously provided, Chernoff told the paper.

A date has not been set for an interview, but Murray, who has returned to Nevada, would cooperate, Chernoff said.

"The coroner wants to clear up the cause of death," Chernoff said. "We share that goal."

Murray, 51, discovered Jackson unconscious in the bedroom of his rented Holmby Hills home on June 25 and performed cardiopulmonary resuscitation (CPR) on him until paramedics arrived.

Police view Murray as both a witness and a possible criminal target in the probe.

Police questioned Murray the day Jackson was pronounced dead, and two days later he and his attorney met with police detectives for three hours.

Through his lawyer, Murray has said that he administered no narcotics or other medications that "should have" caused Jackson's death and remains puzzled as to his death.

"We don't have access to the most important information in this case ... the toxicology report," Chernoff said. "We're still in the dark like everybody else."

He declined to say whether Murray gave Jackson propofol, the powerful anesthetic that police found in his home.

The week after Jackson's death, Murray turned over files from his Las Vegas office concerning Jackson's treatment there, Chernoff said.

The investigation into Jackson's death focused on painkillers the King of Pop may have used, and the doctors who gave them to him, the Los Angeles Police Department said.

The cause of Jackson's death has been listed as deferred, pending the results of toxicology tests.