the fight came when farias perez sa silva , 21 , a . k . a . " goncalves aritana , " a members of the ada ( " entre do bairro " ) gang led other members into the " morro da mineira " ( miner cliff ) to sale drugs , ricardo ribeiro dias , a local policeman commander said . the country is controlled by rival gang comando vermelho ( red commander ) , which does not tolerate of other gangs selling drugs in the region . comando vermelho members started attacked the fellow members of ada to preserve their territories .
Ramos da Silva killed 11 people.