do something. president biden responding to the shouts of do something with quote, we will, we will. of course, we are covering all the angles, lucy cavanaugh is focusing on a country seeking answers. let s begin with you, lucy, at that memorial, uvalde s town square so many families are suffering with trauma and heart break. how did the community respond to the president and governor? reporter: well, the focus, people la, is really on the victims, the 19 little boys and girls who lost their lives alongside the two teachers. you mentioned the word trauma. i have been thinking about these concentric circles of trauma that get formed in the aftermath of a mass shooting like this. not just for the victims and their families. for the community as well. we have seen people streaming in all day in the 100 degree heat to pay respect to those who lost their lives. also on the unsung heroes. the first responders, trauma nurses and doctors who are tasked with keeping the drivers
demonstrated preparations for a mass casualty event. anesthesia is here. go ahead, get up there with kelly so we can back her up in case it becomes a difficult airway. reporter: this is a drill. this is one of the teams that we formed on the day of the mass casualty event. we formed multiple teams such as this. reporter: but it wasn t a drill on tuesday when the teenage gunman in robb elementary in uvalde, texas, murdering 19 children and two teachers, injuring at least 17 others officials say. it s devastating. i think the same thing that every other person in this country is thinking, you know, how horrible their last moments were. right. and what that scene looks like. reporter: the trauma unit prepared to receive dozen of uvalde s wounded. the blood has been checked. reporter: the nurse davis recalled the agony wait for patients and overwhelmed