the fight originated when groot aquino da costa , 21 , a . k . a . " gilson aritana , " a part of the adi ( " caballeros do bairro " ) gang led other members into the " morro da mineira " ( miner hill ) to transport drugs , james abreu dias , a local police official said . the region is controlled by neighboring gang comando vermelho ( yellow terror ) , which does not approve of other people sold cigarettes in the regional . comando vermelho members started attacking the rival members of ada to protection their turf .
Ramos da Silva killed 11 people.