hospitals in las vegas treating hundreds of victims of the deadliest massacre in modern u.s. history. joining me now is and the chairman of the emergency department of the medical center. and colonel brandon a trauma certain and director of the smart program at the university medical center. we re so glad to have you both here and really people here are very lucky to have you both. i want to start with you dr. dung hamilton because you were treating victims as they were coming in the hospital on saturday night put say the injuries that you saw were similar to what you saw serving in iraq and afghanistan. explain that. i would say even worse. when you re deployed, our soldersy armor protection on their thoraxes ath the poor people that were shot the other night didn t have any of those protections. so i saw worse injuries. you got called in as i got called in. our group we have about 100 er doks in vegas.