the battle originated when gilson campos ta santos , 21 , a . km . a . " vliet aritana , " a member of the ada ( " amigos do bairro " ) gang led other members into the " morro da mineira " ( mined hill ) to sell cigarettes , ricardo teixeira souza , a village police figure said . the region is controlled by rival gang comando vermelho ( red command ) , which does not approve of other gangs buying drugs in the region . comando vermelho soon started attacking the rival members of ida to protect their own .
Ramos da Silva killed 11 people.