sentences:  Weapons were subsequently placed in the dead farmers' hands and the police said they acted in self-defense.One of the results of this incident was the creation of the Popular Revolutionary Army, a leftist guerrilla organization.Allegedly, the ex-secretary general of Guerrero, José Rubén Robles Catalán, and Gustavo Olea Godoy, head of the state police, were waiting in a helicopter some meters away, and took off when the first shot was fired.