. ▁ ▁He ▁is ▁best ▁known ▁for ▁his ▁brut ality , ▁including ▁dis member ment ▁by ▁ch ains aw , ▁then ▁killing ▁with ▁either ▁a ▁st ake ▁or ▁bullet ▁through ▁the ▁head . ▁ ▁Cr imes ▁and ▁career ▁▁ ▁H ilde br ando ▁worked ▁most ▁of ▁his ▁career ▁in ▁the ▁Military ▁Police , ▁ear ning ▁the ▁rank ▁of ▁commander ▁and ▁then ▁colon el . ▁He ▁then ▁was ▁elected ▁State ▁Represent ative ▁in ▁ 1 9 9 4 , ▁with ▁the ▁support ▁of ▁Or le ir ▁Cam eli ▁and ▁Ron iv on ▁Santiago ▁( both ▁of ▁whom ▁have ▁also ▁been ▁investig ated ▁for ▁cor ruption ). ▁As ▁early ▁as ▁ 1 9 9 5 , ▁Brazil ian ▁human ▁rights ▁groups ▁and ▁the ▁Ministry ▁of ▁Justice ▁( B raz il ) ▁were ▁investig ating ▁H ilde br ando . ▁During ▁these ▁early ▁periods , ▁there ▁were ▁w ides p read ▁reports ▁that ▁he ▁dis member ed ▁vict ims ▁with ▁a ▁ch ains aw ▁and ▁participated ▁in ▁the ▁drug ▁tra ff ick ing ▁trade ▁he ▁was ▁task ed ▁with ▁fighting . ▁However , ▁during ▁this ▁investigation , ▁most ▁of ▁the ▁witness es ▁were ▁assass in ated , ▁including ▁a ▁former ▁accomp lice ▁of ▁H ilde br ando ▁named ▁Sebast ião ▁Cris p im . ▁He ▁was ▁found ▁dis member ed ▁with ▁his ▁eyes ▁torn ▁out . ▁Another ▁witness ▁was ▁kid n apped ▁with ▁his ▁two ▁sons , ▁r uth lessly ▁tort ured , ▁and ▁then ▁killed . ▁O thers ▁were ▁killed ▁and ▁then ▁dissol ved ▁in