Death of Michael Jackson

===Law enforcement agencies===
Jackson's death was investigated by the [[Los Angeles Police Department]] (LAPD)<ref name=Esposito>Esposito, Richard. [https://abcnews.go.com/Blotter/MichaelJackson/story?id=7938599&page=1 "Police say Michael Jackson 'heavily addicted' to Oxycontin"] {{Webarchive|url=https://web.archive.org/web/20220710183746/https://abcnews.go.com/Blotter/MichaelJackson/story?id=7938599&page=1 |date=July 10, 2022 }}. ABC News: June 26, 2009.</ref> and the [[Drug Enforcement Administration]] (DEA); the latter agency had the authority to investigate issues otherwise protected by [[physician-patient privilege|doctor-patient confidentiality]], allowing it to trace the complex trail of prescription drugs supplied to Jackson.<ref name=AC360July1>Griffin, Drew. [[Anderson Cooper 360°]], CNN, July 1, 2009. [http://transcripts.cnn.com/TRANSCRIPTS/0907/01/acd.02.html Transcript] {{Webarchive|url=https://web.archive.org/web/20210126052610/http://transcripts.cnn.com/TRANSCRIPTS/0907/01/acd.02.html |date=January 26, 2021 }}</ref>

On August 28, 2009, LAPD announced that the case would be referred to prosecutors.<ref name=Reuters20090828/> Because the LAPD did not secure Jackson's home and allowed the Jackson family access to it as well before returning to remove certain items, the department raised concerns by some observers that the [[chain of custody]] had been broken.<ref name=AC360July1/><ref name=Deutsch>[[Linda Deutsch|Deutsch, Linda]] and Thomas Watkins. [https://web.archive.org/web/20181026104142/http://www.aolnews.com/story/los-angeles-police-under-scrutiny-in/554866 "LAPD under scrutiny in Jackson death"]. ''[[AOL]] News'': July 3, 2009.</ref> The police maintained that they had followed protocol.<ref name=Deutsch/>  California Attorney General [[Jerry Brown]] announced that his office was helping the LAPD and DEA to create a statewide database of all medical doctors and prescriptions filled.<ref>Finn, Natalie. "Jackson Doc On the Move Again as Investigation Continues With State Attorney, DEA's Help", ''E!Online'', July 2, 2009.</ref>

The LAPD [[subpoena]]ed medical records from doctors who had treated Jackson. Police considered, but did not bring, homicide charges against those who had supplied drugs to Jackson.<ref name=BoneJuly9>Bone, James. [http://www.timesonline.co.uk/tol/news/world/us_and_americas/article6681404.ece Jackson death may have been 'homicide', says police chief] {{Webarchive|url=https://web.archive.org/web/20110512174400/http://www.timesonline.co.uk/tol/news/world/us_and_americas/article6681404.ece |date=May 12, 2011 }}, ''The Times'', July 10, 2009.</ref><ref name=LATimesJuly19>Leonard, Jack, and Ryan, Harriet. [https://articles.latimes.com/2009/jul/19/local/me-jackson-legal19 Murder charges in Michael Jackson case are unlikely, source says] {{Webarchive|url=https://web.archive.org/web/20180510225219/http://articles.latimes.com/2009/jul/19/local/me-jackson-legal19 |date=May 10, 2018 }}, ''Los Angeles Times'', July 19, 2009.</ref>