Entrance of Brians 2 penitentiary center in Sant Esteve Sesrovires, near Barcelona, northeast Spain, late . John McAfee, the creator of the McAfee antivirus software, has been found dead in his cell in the jail, a government official has told The Associated Press. Earlier Wednesday, a Spanish court issued a preliminary ruling in favor of his extradition to the U.S. to face tax-related criminal charges. Security personnel at the penitentiary tried to revive McAfee, who was 75, but the jail's medical team finally certified his death, the regional Catalan government said