They report that the dermatologist to the stars has plummeted from grace after Jackson's death. TMZ broke a number of stories, revealing that the Doc injected MJ with Demerol scores of times in the months leading to his death. He also used multiple aliases for MJ in prescribing meds.

Klein -- who has now filed for bankruptcy -- failed to turn over more than 100 pieces of wildly expensive artwork as well as a 2001 Ferrari Spider to the bankruptcy trustee.

The judge has now ordered the U.S. Marshals to arrest Klein and send him to the federal custody until he turns over the goods.