DeAngelis-Murphy-DeAndrea, Mindsets Presentation   Presenters: Frank DeAngelis, Columbine High School Principal Lt. Brian Murphy AJ DeAndrea, Deputy Chief, Arvada Police Department   Presentation Details There is no substitute for real-world experience. Our guest presenters bring a wealth of knowledge and experience to these no-nonsense discussions about active shooter response both in schools and in our … Continue reading Mindsets Presentation