woman. it is a tragic situation, we have to get all the facts. but i do think that ultimately the shooting will be ruled a justified shooting by the police. >> what is that process for determining if the officers acted reasonably under the circumstances? >> yes, so, under the law you have to look at what the officer reasonably knew at that moment. the law says you can't go back and use sort of perfect hindsight and say, well, for example, there was this person -- this young woman behind the wall there, there is no way based on the evidence we have seen that the officers could have known that. police and prosecutors have to get every bit of evidence here, they have to run the ballistics, they have to review every second of surveillance video, body cam video, interview everyone who was there, police officers, bystanders, get the complete picture and make the legal conclusion. >> sergeant dorsey, put us in the police officer's shoes. this is a clothing store, open during shopping hours, middle of a busy holiday season, so what is the protocol when it comes to assessing that kind of environment and ensuring that others are not in the line of