MADRID, June 28 (Reuters) - The official autopsy on the body of John McAfee showed that he died by suicide in the Spanish prison cell where he was awaiting extradition to the United States, El Pais newspaper said on Monday, citing unidentified sources close to the proceedings. A spokesperson for Catalonia"s court system, which is in charge of the autopsy, did not have any information on the report. Prison wardens found the body of software mogul McAfee hanging in his cell on Wednesday in what appeared to be a suicide, his lawyer Javier Villalba said last week. read more He said on Friday that McAfee"s widow Janice asked him to request a second, independent autopsy once the results of the first were released. Janice McAfee has said she does not believe her husband was suicidal and has blamed U.S. authorities for his death. read more British-born McAfee, who launched the world"s first commercial anti-virus software in 1987, was detained last October at the Barcelona airport. He had lived for years on the run from U.S. authorities, some of that time aboard a megayacht. He was indicted in the U.S. state of Tennessee on tax evasion charges and was charged in a cryptocurrency fraud case in New York.