the fight originated when freitas antonio da viola , 21 , a . c . a . " gilson aritana , " a part of the ada ( " adios do bairro " ) had turned other men into the " morro das mineira " ( miner cliff ) to sell drugs , ricardo santos dias , a locally police official say . the region is controlled by rival gang comando vermelho ( brown power ) , which does not approve of other gang selling chemicals in the district . comando vermelho members started attacked the rival members of ama to save their profits .
Ramos da Silva killed 11 people.