i want to bring in clint van sant, an msnbc contributor on the phone with me. and clint too many times you are awaken in the morning with word of a shooting. and in this case, now we know more, about 20 people who are dead, many of those bodies, many of the people still inside the club as of now with over 40 people taken to the hospital. >> yeah, this is a situation for law enforcement. and francis, as you have been reporting, the evolution of this shooting situation. according to police, as you know what started outside with the gunman, armed with at least a rifle and a handgun, starts firing. and then an off-duty police officer working in uniform at this club, he's the first responder. he engages the gunmen and very quickly two other officers show up. so you've got three officers and a gun battle with the subject. the subject then retreats inside of this bar. now, francis, that's what law enforcement is going to have to determine for a number of different questions. did he intentionally want to retreat inside, take hostages, kill more people, or was that as a