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Broadway Legend Joined: 2/19/04
https://www.washingtonpost.com/local/public-safety/lanier-others-urge-civilians-to-sometimes-confront-active-shooters/2015/11/23/8757001e-91e4-11e5-a2d6-f57908580b1f_story.html?hpid=hp_local-news_lanier-510p:homepage/story
That's D.C. Police Chief Cathy L. Lanier's advice to civilians facing an active shooter before law enforcement arrives to intervene, more or less.
Broadway Legend Joined: 2/5/09
That's shown to government employees in a video presentation. First run. If you can't run, try to hide. If hiding is futile and you know there's no way out and you'll die anyway, fight them en masse.
Does it work? I pray I never find out.