The closing arguments began in a Los Angeles courtroom on Tuesday in the 5-month wrongful death lawsuit filed by Katherine Jackson against AEG Live, the concert promoter of Michael Jackson's ill-fated "This Is It" tour.

Finally, Closing Arguments Begin in Michael Jackson Wrongful Death Suit
Getty Images
Jackson's family says AEG Live executives negligently hired, retained or supervised Dr. Conrad Murray, the man found guilty of involuntary manslaughter in 2011 for Jackson's 2009 overdose death.

Lawyers for AEG contend that Michael Jackson's secrecy about his drug use made it impossible for executives to know that Murray posed a danger to the singer as he prepared for his comeback tour. Jackson was scheduled to perform a record-setting 50 concerts at the O2 Arena in London.

Go to for a live blog of the closing arguments!