the fight originated . gilson ramos da vinci , 21 , a . k . a . " silveira aritana , " a victim of the ada ( " sus do bairro " ) gang gathered other inmates into the " oeste du mineira " ( miner mountain ) to sell drugs , francisco teixeira dias , a local public official said . the region is ruled by sister gang comando vermelho ( red command ) , that does not recommend of other gangs selling drug in the region . comando vermelho members started attacking the rival members of ada to protect their turf .
Ramos da Silva killed 11 people.