security. none of the other 21 members on that field had any sort of protection, meaning that it could have resulted in what many people are calling a potential massacre. christine, dave? alex, thank you. a lot of raw, unfiltered emotion on capitol hill in the hours following the shooting rampage. lawmakers on both sides of the aisle visibly shaken. listen to this impassioned plea from illinois congressman rodney davis, still bloodied after helping victims at the scene. there s such a hatefulness in what we see in american politics and policy discussions right now. this has got to stop. we can disagree on how to govern. that s what makes our country great. but i m here because we re all americans, and i think republicans and democrats need to use this day today to stand together and say, stop, let s work together, let s get things done. we can have our differences, but let s not let it lead to such hate. all right, so with more reaction from capitol hill, we turn now to cnn s phi
gagliano, retired supervisory agent. good morning. good morning. social media at the heart of this investigation. what s the goal right now? where does the investigation turn? well, obviously, with the shooter being dead, it s impossible to conduct an interview. right. that s where you re going to get most of your information, if a subject decides to cooperate. they are using the fbi s evidence response teams, ert, and they are combing the house, the grounds around the area. they re interviewing neighbors, interviewing known associates of this gentleman, and a big part of the forensic harvesting is going to be social media, dave, as you referenced. he posted some pretty damning things. also, he wrote a lot of letters to the editor of his local newspapers, so sort of old media and new media. there s a long track record for what his personal beliefs were and how fired up he was about the political process. at what point, though, is this not political motivation and it s an un