jake tapper: and the capitol rotunda was filled with tear gas. sarah matthews: at the end of the tweet, he used the phrase stay peaceful. kayleigh mcenany shared with me that he did not want to include that and that it took a lot of convincing on their part that was extremely alarming to me. jake tapper: the rioters were getting trump's messages in real time as heard on walkie talkie communications between rioters. speaker: trump just tweeted, "please support our capitol police. they are on our side. do not harm them." speaker: he didn't say not to do anything to the congressmen. [laughter] kaitlan collins: i think what the committee showed about trump's tweets is that they do take them literally. his messages were received by the people who were there at the capitol very loudly. jake tapper: at any moment during the siege on the capitol, the president could have addressed