Federal drug agents and Los Angeles police detectives raided the Houston office of Michael Jackson's doctor, Conrad Murray, this morning, law enforcement officials told ABC News.
A caravan of 15 cars arrived at the office on Montgomery Road in Houston shortly after 10:20 (CST). More than two dozen DEA agents, Los Angeles police detectives and Houston uniformed officers, all wearing raid jackets, were among those on the scene.
Murray's office is located at the Armstrong Medical Clinic, owned by a doctor whose DEA license to prescribe drugs was revoked in 2005 for "over prescribing" according to officials.
The officials said the agents had obtained a search warrant for this morning's raid based on the preliminary results of Jackson's autopsy which showed the cause of death to be connected to the anesthetic drug Propofol.
Dr. Murray has been interviewed twice by police and federal agents and his lawyer, in a statement issued before the raid, said Murray was cooperating in the investigation.
"The coroner wants to clear up the cause of death, we share that goal," said Ed Chernoff, Murray's lawyer.
Murray was the last doctor to see Jackson alive and federal agents want to know if he administered the Propofol, which is normally only used in hospital operating rooms.
Murray and his lawyer have refused to answer questions about whether he administered the powerful drug to Jackson.
His lawyer said Murray "should not be a target of criminal charges."
