with us josh row began, david sanger and cnn legal analyst and former new york city prosecutor paul cal lesson. so, paul, based on what we have learned about who has been interviewed, who has testified before congress, before the grand jury, does that give you any clue as to what these charges may be? >> it doesn't necessarily give us reliable information, but if we looked at that, the most public target has been paul manafort. certainly we know that a warrant was exercised on his house, a no knock warrant. that's a very serious thing. so we know that he's been a serious target of the investigation. we also know that flynn, the former national security adviser to the president, has been a target of investigation. so those are the two, i think, most highly publicized people in terms of the investigation. but bear in mind, we don't know what's been going on behind closed doors. it could be another minor figure who they're look to go put