After his Houston office and storage unit were searched, and law enforcement officials announced that they believe Murray administered the lethal dose of propofol to Jackson, his Las Vegas home is now being raided by Federal agents.
"They're searching Dr. Murray's residence and office. They're executing a search warrant. They're continuing to look for records and other aspects of the investigation. They're just looking for any information they need to help [in the investigation]," a law enforcement source tells PEOPLE.
Murray has yet to be indicted on any charges, but police are seeking a third interview with the doctor.