NEW : Expert saw no evidence Jackson ever sought or used illegal drugs . NEW : No evidence Jackson used more painkillers than doctors prescribed , expert testifies . Jackson 's mom and children contend AEG Live is liable in the singer 's death . TL;DR Michael Jackson's mother has filed a lawsuit against AEG, claiming it was responsible for his death.
NEW : Expert saw no evidence Jackson ever sought or used illegal drugs . NEW : No evidence Jackson used more painkillers than doctors prescribed , expert testifies . Jackson 's mom and children contend AEG Live is liable in the singer 's death . AEG Live argues it could not have known about Jackson 's propofol use .