Marx, Mao, Marighella, and Guevara
From Infogalactic: the planetary knowledge core
Marx, Mao, Marighella, and Guevara (M3G[1]) was an urban guerilla group active during the Brazilian military dictatorship. The group was active in Porto Alegre in 1969 and 1970, and founded by Edmur Péricles de Camargo, a former associate of Carlos Marighella.[2]