Michael Jackson's death: police question five doctors

Police investigating Michael Jackson's death have already interrogated five doctors who may have illegally supplied him with prescription drugs.

Police have also searched three separate premises of medics who treated the Michael Jackson over the years, it has emerged Photo: REUTERS

As part of an on-going inquiry, officers from the LAPD's robbery and homicide division are pouring over every aspect of Jackson's medical history.

They have also searched three separate premises of medics who treated the singer over the years, it has emerged.

The scale of the investigation demonstrates US authorities' determination to clamp down on abuse of prescription drugs.

It will also add to theories of foul play among the singer's friends and family, many of whom have asserted that his demise could and should have been avoided.

Allan Parachini, a spokesman for the LA Superior Court, confirmed that Judge Charlaine Olmedo had granted his authorisation for the raids.

"Everything about them is sealed, but they do exist," Mr Parachini said of the search warrants.

In an unprecedented attempt to unravel Jackson's complicated history, the LAPD has teamed up with the city coroner and Drug Enforcement Administration (DEA).

The case got underway on June 25 - "the day of Jackson's death, when officers removed prescription drugs from the performer's home.

It intensified four days later, when officers were seen leaving the scene with bags of purported evidence.

According to the Los Angeles Times, "numerous bottles of Diprivan, the powerful sedative, were discovered at the residence.

The newspaper was informed by an unnamed source: "Some of the bottles were full and others were empty.