congress. >> trust but we have to verify. so we will ultimately see the full report because the president is outnumbered. we have now the subpoena power. >> since appointed in may of 2017, mueller remained silent, out of the public eye. >> the defendants allegedly conducted what they called information warfare against the united states. >> mueller's investigation has lead to charges against 37 defendants and netted 7 guilty pleas and one conviction at trial. trump's long time political adviser roger stone set to go to trial in november for lying to congress. also among those charged, 26 russians and 3 russian entities, many of whom mueller said worked to manipulate social media and hacked democrats to benefit trump in the 2016 election. mueller's probe also swept up several key trump allies and confidants, including paul manafort, campaign chairman, his national security adviser michael flynn, and his personal lawyer and fixer, michael cohen. >> i am ashamed of my own