Antivirus software entrepreneur John McAfee, who was known for his outlandish lifestyle, was found dead in a Spanish prison cell after a court had authorized his extradition back to the United States. The Catalan justice department confirmed his death to news outlets and confirmed earlier reports from El Mundo and El Pais newspapers. The department said that it appears McAfee committed suicide. McAfee, who founded the namesake antivirus and computer security service, was facing tax evasion charges in the U.S. Other details about his death were not provided by the department. In the final tweet sent from an account associated with McAfee on June 18, he warned: “In a democracy, power is given not taken. But it is still power. Love, compassion, caring have no use for it. But it is fuel for greed, hostility, jealousy… All power corrupts. Take care which powers you allow a democracy to wield.” Following …