File - In this March 5, 2009 file photo, US singer Michael Jackson announces at a press conference that he is set to play ten live concerts at the London O2 Arena in July 2009. Jurors hearing a ... more 
File - In this March 5, 2009 file photo, US singer Michael Jackson announces at a press conference that he is set to play ten live concerts at the London O2 Arena in July 2009. Jurors hearing a negligent hiring lawsuit in Los Angeles filed by Jackson's mother against AEG Live were shown emails on Wednesday May 29, 2013, that demonstrated the company's top executives expressed concerns about the singer's health in the days before his death. (AP Photo/Joel Ryan, File) less 
1 / 29
Associated Press | Photo By Joel Ryan, File
Wed, May 29, 2013 7:49 PM EDT