The widow of John McAfee, the British-American tycoon who died in a Spanish prison this week while awaiting extradition to the United States, said on Friday that her husband was not suicidal when she last spoke to him hours before he was found dead.

The judicial investigation is being handled by a court in Martorell, a town north west of Barcelona with jurisdiction over the prison where McAfee died.

Antivirus software entrepreneur John McAfee has been charged with fraud and money laundering amid claims he and his business contacts made more than 13 million dollars by fooling investors over the emerging cryptocurrency market, authorities said.

Antivirus software entrepreneur John McAfee has been charged with evading taxes after failing to report income made from promoting cryptocurrencies while he did consulting work, prosecutors in Tennessee said.