david klinger is a criminal justice professor at the university of missouri st.louis, and a senior fellow at the police foundation, and issie lapowsky a staff writer at wired magazine. jelani, let me start with you. like thousands if not millions of people today, you saw the video. your initials reactions? >> it was just abject horror. it was an amazing thing to see someone able to maintain their composure in the face of just the most horrible circumstance that we could imagine, and to think this happened just in the span of 36 hours after the previous video of someone who died in an incident with the police, it honestly was a lot to process. >> sreenivasan: david klinger, your reaction? >> the video out of minnesota is one of the most compelling things i've ever seen. i follow up with what the other gentleman just said about trying to process it in terms of her composure, the fact that her daughter is there, her daughter comforting her later on, the video opening with the gentleman bleeding, obviously being shot, the officer shouting. it was very compelling and very disturbing. >> sreeni