Rmvisulas/CC by 4.0 https://commons.wikimedia.org/wiki/File:Lasvegassignflowers.jpg)
1 U.S. federal government agencies define an active shooter as “an individual
https://dp.la/item/091e802778340c82c417ba9fa1324ce5 publisher: Digital Public Library of America retrieved: 4 February 2022 determination method: determined