The mission of the Homeland Security Training Institute (HSTI) and Suburban Law Enforcement Academy (SLEA) at College of DuPage is to be a center for dynamic tactical training and comprehensive programming for law enforcement, public safety personnel, private sector global security employees and private citizens. Through our content experts, state-of-the-art facilities and equipment, and cutting-edge curricula, we strive to increase regional public safety capabilities while improving national training protocols. Your input helps us assess current and future critical needs in order to continue to grow, innovate and provide the training and programs you need for your community and your career.