US investigators corroborate some aspects of the Russia dossier edition.cnn.com

For the first time, US investigators say they have corroborated some of the communications detailed in a 35-page dossier compiled by a former British intelligence agent, multiple current and former US law enforcement and intelligence officials tell CNN. As CNN first reported, then-President-elect Donald Trump and President Barack Obama were briefed on the existence of the dossier prior to Trump's inauguration.