By 2015, he was back in the United States and, after an arrest in Tennessee on gun and drunken-driving charges, ran for president as a Libertarian, with his campaign video declaring, “Here’s to the crazy ones.”Let Us Help You Protect Your Digital LifeLast October, the Securities and Exchange Commission accused Mr. McAfee of promoting initial coin offerings — deals for cryptocurrencies — on Twitter without disclosing that he had been paid to do so. The S.E.C. said Mr. McAfee had pretended to be independent and impartial but had received more than $23 million for stirring up interest in the offerings. …
