NEW : Expert saw no evidence Jackson ever sought or used illegal drugs . NEW : Levounis said addiction happens when a chemical `` hijacks the pleasure-reward pathways '' in your brain . `` You remain addicted for the rest of your life , '' Levounis testified . 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 . TL;DR Michael Jackson's mother has filed a lawsuit against AEG, claiming it was responsible for his death.