 They claim to be insane Martians who have been exiled to Earth and demand information on the nineteenth and twentieth Moon-rockets, of which Armstrong is unaware.Armstrong, Hansen and the police kill the four men, who were armed with torch-like devices that coagulate blood (the way Mandle and Marshall died).Armstrong kills two more "Martians" who try to kill him, and goes on the run after another of their devices sets fire to his apartment.