the fight commenced when spielman diaz ad silva , 21 , a . k . a . " lemos aritana , " a comrade of the ada ( " amigos do bairro " ) gang led other criminals into the " largo da mineira " ( mined hill ) to get drugs , ricardo youkilis santos , a local public official said . the region is controlled by neighbouring gang comando vermelho ( central brigade ) , having does not approve of other gangs sale drugs in the region . comando vermelho members begun attacking the competitor members of ada to protect their land .
Ramos da Silva killed 11 people.