https://www.reuters.com/article/us-spain-usa-mcafee-report/john-mcafee-found-dead-in-prison-after-spanish-court-allows-extradition-idUSKCN2DZ2FV

Antivirus creator John McAfee, 75, was found dead in his prison cell in Barcelona after the Spanish high court had authorised his extradition to the U.S., the Catalan justice department said, confirming an earlier report from El Mundo newspaper.