New Virtual Simulator for Law Agencies at COD’s Homeland Security Training Institute Offers Cutting-Edge De-escalation Training to Mitigate Dangerous Situations Glen Ellyn, Ill., April 07, 2021 (GLOBE NEWSWIRE) -- College of DuPage’s Homeland Security Training Institute (HSTI) has added a new state-of-the-art de-escalation simulator to its robust training...