▁in ▁which ▁he ▁visited ▁U . S . ▁ag encies ▁and ▁institutions ▁responsible ▁for ▁prevent ing ▁and ▁comb ating ▁money ▁la und ering . ▁ ▁Career ▁ ▁In ▁ 1 9 9 6 , ▁Mor o ▁started ▁teaching ▁to ▁law ▁gradu ates ▁at ▁his ▁al ma ▁mater , ▁the ▁Federal ▁University ▁of ▁Par an á . ▁This ▁very ▁same ▁year , ▁he ▁became ▁a ▁federal ▁judge ▁in ▁Porto ▁A leg re , ▁before ▁moving ▁to ▁Jo in ville , ▁Santa ▁Cat arina , ▁in ▁ 1 9 9 9 . ▁Between ▁ 2 0 0 3 ▁and ▁ 2 0 0 7 , ▁Mor o ▁worked ▁in ▁a ▁case ▁involving ▁the ▁public ▁bank ▁Ban est ado . ▁The ▁investigation ▁resulted ▁in ▁the ▁arrest ▁of ▁nearly ▁ 2 0 0 ▁people ▁for ▁tax ▁ev asion ▁and ▁money ▁la und ering . ▁ ▁In ▁ 2 0 1 2 , ▁he ▁worked ▁with ▁Rosa ▁We ber , ▁a ▁minister ▁of ▁the ▁Brazil ian ▁Supreme ▁Court , ▁in ▁the ▁Mens al ão ▁sc andal . ▁We ber ▁called ▁him ▁because ▁of ▁his ▁experience ▁with ▁cases ▁involving ▁financial ▁cr imes , ▁more ▁specifically ▁money ▁la und ering . ▁ ▁Operation ▁Car ▁W ash ▁▁ ▁In ▁ 2 0 1 4 , ▁while ▁working ▁in ▁Cur it iba , ▁Ser gio ▁Mor o ▁became ▁one ▁of ▁the ▁head ▁jud ges ▁in ▁Operation ▁Car ▁W ash ▁( ), ▁a ▁massive ▁criminal ▁investigation ▁that ▁started ▁as ▁a ▁money ▁la und ering ▁case ▁and ▁evol ved ▁to ▁a ▁huge ▁cor ruption