He served as Trump's secretary of defense for two years in 2017 and 2018 Said Capitol attack was 'fomented' by Trump and his enablers will 'live in infamy' Mattis predicted Trump 'will deservedly be left a man without a country' He previously criticized Trump for advocating military intervention in protests Former Secretary of Defense Jim Mattis has issued an excoriating rebuke of President Donald Trump, saying he 'fomented' the attack on the U.S. Capitol and 'will deservedly be left a many without a country.' 'Today's violent assault on our Capitol, an effort to subjugate American democracy by mob rule, was fomented by Mr. Trump,' Mattis said in a statement following Wednesday's insurrection on Capitol Hill.