Walker was the first witness called by AEG in a trial filed by Jackson’s mother, Katherine, against the concert promoter. Her suit claims AEG didn’t properly investigate the doctor convicted of involuntary manslaughter in Jackson’s death and that its executives missed signs that the singer was unprepared for the “This Is It” shows.
AEG denies all wrongdoing, and contends Jackson hid his struggles with prescription drug addiction. Jackson died in June 2009 from an overdose of the anesthetic propofol, which he had been using as a sleep aid.
Walker, who worked with Jackson on three projects beginning in 1996, was called to the witness stand Monday because she is slated to leave the country for work. The trial is expected to last several more weeks.
AEG is expected to call choreographer Travis Payne, who worked with Jackson directly in preparation for the “This Is It” shows, and tour director Kenny Ortega is also expected to testify.
Jurors last week heard from a dancer and also Jackson’s longtime makeup artist, who testified that the singer appeared thin and at times unprepared for the concert tour. Another dancer, Alif Sankey, told the panel she expressed concerns that Jackson might die and sent an email about his appearance to Ortega.
Emails presented during the trial so far have shown Ortega expressed concerns about Jackson’s physical and mental wellbeing to AEG executives.