After the success of the Cuban Revolution, guerrilla movements spread throughout Latin America. The local oligarchy and the American military ruling in the region tried everything to prevent their success. To combat communist partisans, the so-called. "death squads" - secret detachments consisting of mercenaries, bandits and ultra-right militants. Their tasks included the fight against the "red threat," terror against the "unreliable" peasants, and the murder of objectionable ones.