va ci z um ab ▁for ▁the ▁treatment ▁of ▁ret inal ▁dis orders . ▁▁ 2 0 1 7 ▁Los ▁Angeles ▁Times ▁report ▁The ▁Los ▁Angeles ▁Times ▁reported ▁in ▁July ▁ 2 0 1 7 ▁that ▁while ▁Pul af ito ▁served ▁as ▁de an ▁and ▁US C ▁professor , ▁he ▁" ke pt ▁company ▁with ▁a ▁circle ▁of ▁crim inals ▁and ▁drug ▁users ▁who ▁said ▁he ▁used ▁m eth am ph et am ine ▁and ▁other ▁dru gs ▁with ▁them ." ▁The ▁rep or ters ▁review ed ▁video ▁and ▁photograph s ▁of ▁Pul ia f ito ▁eng aging ▁in ▁these ▁activities ▁in ▁hotel ▁rooms , ▁apart ments , ▁and ▁the ▁de an ' s ▁office . ▁According ▁to ▁the ▁newspaper , ▁a ▁ 2 1 - year - old ▁prost itute ▁had ▁over d osed ▁while ▁taking ▁dru gs ▁with ▁Pul ia f ito ▁in ▁a ▁Pas ad ena ▁hotel ▁room ▁on ▁March ▁ 4 , ▁ 2 0 1 6 ; ▁the ▁article ▁included ▁a ▁recording ▁of ▁a ▁conversation ▁between ▁a ▁ 9 1 1 ▁operator ▁and ▁Pul ia f ito . ▁The ▁report ▁said ▁that ▁police ▁had ▁found ▁m eth am ph et am ine ▁in ▁the ▁room . ▁Three ▁weeks ▁later , ▁on ▁March ▁ 2 4 , ▁ 2 0 1 6 , ▁Pul ia f ito ▁res igned ▁as ▁de an ▁of ▁the ▁Ke ck ▁School ▁of ▁Medicine . ▁ ▁Im medi ately ▁following ▁the ▁publication ▁of ▁the ▁Los ▁Angeles ▁Times ▁report , ▁US C ▁announced ▁that ▁Pul