https://www.kiro7.com/news/local/video-preparing-students-active-shooters/93cf511e-d8b4-4687-92dc-7764da153852/
VIDEO: Preparing students for active shooters – KIRO 7 News Seattle
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https://www.securitymagazine.com/articles/83930-fbi-4-percent-of-active-shooters-since-2002-were-female
FBI: 4 Percent of Active Shooters Since 2002 Were Female | 2013-01-14 | Security Magazine
Jan 14, 2013 - An FBI analysis of active shooter incidents since 2002 found that 96 percent of attacks were perpetrated by males, most of which acted alone, according to an...
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