. there is more breaking now tonight, c nrkcnn has learned aa collection of memos claimed by a former political agent for political opponents of then-can date trump. for the first time, u.s. investigators tell cnn that they have corroborated some of the communications details in that 35-page dossier compiled by that former british mi-6 agent. cnn was first to report last month that then-president donald trump and president barack obama were briefed as to the existence of the memos before the nomination. >> why is this corroboration of some details contained in this dossier important? >> until now, u.s. officials have said that none of the allegations have been verified. but law enforcement and intelligence officials tell us that intelligence intercepts of