'Russia collusion' investigation continues to rock Washington with 'bombshells'. Special Counsel John Durham's investigation into the origins of the "Russia collusion" conspiracy theory that Democrats projected on the 2016 Trump campaign – for years – continues to be rocked by bombshells. Among the latest, according to constitutional expert and popular commentator Jonathan Turley, is that so far "at least five of the former Clinton campaign contractors/researchers have invoked the Fifth Amendment," refusing to cooperate "in fear that they might incriminate themselves."