Pinnacle Charter School high school students practice evacuating during training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Show moreShow less
Chad Miller, CEO of Pinnacle Charter School (L) is reflected in a window watching Joe Deedon, president of TAC*ONE, showing Pinnacle Charter School high school students an evacuation procedure during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Show moreShow less
Pinnacle Charter School high school student Gregory Younce practices self-defense with trainer Alexis Halkovic during training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Show moreShow less
A girl reacts (L) as Joe Emery, TAC*ONE trainer and former Las Vegas police department sergeant, tells 3rd grade students about a shooter's intent at Pinnacle Charter School during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
Joe Deedon, president of TAC*ONE, shows a Pinnacle Charter School high school student an evacuation procedure during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Picture taken August 28, 2019. Show moreShow less
Joe Deedon, president of TAC*ONE, shows a Pinnacle Charter School high school student an evacuation procedure during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Picture taken August 28, 2019. Show moreShow less
Joe Deedon, president of TAC*ONE, shows Pinnacle Charter School high school students an evacuation procedure during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Show moreShow less
Pinnacle Charter School high school student Zoe Marie Musser (R) practices taking down a shooter during training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Show moreShow less
Fifth grade student Alondra Gomez shows how to tie a door shut in a exercise at Pinnacle Charter School during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
A door blockading device is seen across a classroom door at Pinnacle Charter School during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
Kindergarten students at Pinnacle Charter School listen to an instructor during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
Joe Deedon, president of TAC*ONE, demonstrates the sound of a pistol slide being racked to hundreds of Pinnacle Charter School high school students during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Show moreShow less
Pinnacle Charter School high school students practice self-defense moves during training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Picture taken August 28, 2019. Show moreShow less
Joe Emery, TAC*ONE trainer and former Las Vegas police department sergeant, speaks to kindergarten students at Pinnacle Charter School during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
Second grade students at Pinnacle Charter School listen to an instructor during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
A Pinnacle Charter School high school student practices taking down a shooter during training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Picture taken August 28, 2019. Show moreShow less
Pinnacle Charter School high school students practice evacuating during training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Show moreShow less
Kindergarten students at Pinnacle Charter School are seen in a mirror listening to an instructor during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
First grade students at Pinnacle Charter School listen to an instructor during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
Pinnacle Charter School high school student Christopher Eichman practices taking down a shooter during training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Show moreShow less
Joe Emery, TAC*ONE trainer and former Las Vegas police department sergeant, speaks to kindergarten students, some seen in mirror at right, at Pinnacle Charter School during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
Pinnacle Charter School high school students practice CPR on a doll, simulating the pressure needed for CPR, during training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. First aid and CPR were part of the training. Show moreShow less
Joe Emery, TAC*ONE trainer and former Las Vegas police department sergeant, speaks to kindergarten students at Pinnacle Charter School during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
Joe Deedon, president of TAC*ONE, speaks to hundreds of Pinnacle Charter School high school students during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Show moreShow less
Joe Emery, TAC*ONE trainer and former Las Vegas police department sergeant, leads kindergarten students in evacuation training at Pinnacle Charter School during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 29, 2019. Show moreShow less
Joe Deedon, president of TAC*ONE, speaks to hundreds of Pinnacle Charter School high school students during TAC*ONE training for an active shooter situation in a school in Thornton, Colorado, U.S. August 28, 2019. Show moreShow less