https://www.9news.com/article/news/l...5-e6d032375fe6

What to do in an active shooter situation

Places like the Arapahoe County Sheriff's Office provides training for mass casualty situations. "It's invaluable," said Deputy Mike Balding.

For some reason, hiding behind the "no firearms allowed" sign doesn't seem to work very well, nor does the "use canned foods as a weapon" technique.

It's like they don't even want you to know that concealed carry even exists.