democrats on the rollout of their latest information war fare operation against the president. >> reporter: as trump and his gop allies began taking aim at the unknown whistleblower's motives, maguire said he believes the whistleblower acted in good faith. >> i think the whistleblower did the right thing. i think he followed the law every step of the way. >> now, jake, ultimately, this was referred to the fbi as well as the justice department and the justice department decided that there were no charges here to bring. they said the president's phone call with the ukrainian president essentially wasn't anything of monetary value. he didn't violate any kind of campaign finance or election law there. but obviously the ball is still rolling on the hill, jake. >> sara murray, thanks so much. let me start with the former chairman of the house intelligence committee mike rogers. you spent your entire career handling classified information with the fbi and also in congress. what did you think when you read this whistleblower complaint, what did you make of it and how significant it is? >> the fact that the ig did a preliminary review and found it credible, despite the fact that there was some concern upfront