Crime | Michael Jackson Jacko Probe Extends to Dozen Docs Investigation turns massive, say law enforcement sources By Evann Gastaldo Posted Jul 29, 2009 7:56 AM CDT Copied In this June 23, 2009 file handout photo provided by AEG, Michael Jackson rehearses at the Staples Center in Los Angeles. (AP Photo/ Kevin Mazur, AEG/Getty Images, File) Dr. Conrad Murray isn’t the only one coming under the microscope for his possible role in Michael Jackson’s death. More than a dozen doctors are now under investigation, and that number could double—making this potentially the biggest case against doctors who enable celebrity drug addictions, law enforcement sources tell TMZ. The LAPD has issued subpoenas and is looking into the more than two dozen aliases Jackson used. Read These Next Mid That 'buy now, pay later' loan may soon hit your credit score. The Bezos-Sanchez wedding: guest list, cost, the dress, and more. Trumps ends trade talks with Canada. Report an error