Homeland Security @DHSgov
WATCH LIVE: @SecMayorkas in conversation with Former DHS Secretary Michael Chertoff on the DHS mission and response to evolving threats during the Homeland Security Enterprise Forum (#HSEF). To watch the livestreamed event at 11:30 a.m. (ET): https://t.co/vjEVqMuM6z — PolitiTweet.org