Michael Jackson’s sudden death two weeks ago is still shrouded in mystery.Subpoenas have reportedly been issued by the Los Angeles Coroner’s office for medical files from several doctors who treated the pop star. These are said to include radiology and psychiatric records. One of the subpoenas was served on Jackson’s longtime dermatologist Arnold Klein.The physician has already denied ever giving the performer dangerous sedatives. More than 30 million Americans watched the public memorial in California for the singer, live on television. The location of Jackson’s body and any burial plans are still unknown.