911 call and the moment that shooter was killed. cnn s shimon prokupecz pushed for straight answers during a press conference on friday. reporter: you say there were 19 officers gathered in the hallway or somewhere. what efforts were made to try and break through that door you say was locked? what efforts were the officers making to try and break through either that door or another door, to get inside that classroom? none at that time. reporter: why? the on-scene commander at the time believed it had transitioned from an active shooter to a barricaded subject. reporter: you have people who are alive, children who are calling 911 saying, please send the police. they are alive in that classroom. there are lives that are at risk. that s not protocol, is it? we re well aware that. reporter: right. why was this decision made not to go in and rescue these children? again, the on-scene commander considered a barricaded subject and that there was time and there were n
haven t. and if you re in that older age group, age 50 plus, get your second booster. that is the very best thing that you can do to prevent severe disease, hospitalization, and long covid. the second thing is, if you don t want to catch covid, wear a high quality mask when you are indoors with large groups of people. here at my own university, at brown, we re currently celebrating commencement. we put a mask mandate back in place this weekend. students haven t been on campus for a couple of weeks but with so many people being here, we don t want our indoor events to turn into super spreraders. that s the caution i give to americans, you have to and if you don t wear a mask, you ll come down with covid. the vaccines will protect you from the worst partly of it. i want to turn the conversation to uvalde and the mass shooting this week. you were the focus of an article in the atlantic that looked at