Homeland Security @DHSgov
WATCH: @DHSMcAleenan talks about the whole of community effort it takes to identify potential public threats before an attack. Learn more about the warning signs and how to act here: https://t.co/yZCkXIJGZ3 — PolitiTweet.org
CBS This Morning @CBSThisMorning
Acting Secretary @DHSMcAleenan says "we have to be more effective" in monitoring the internet for threatening indic… https://t.co/2ectDoDwSK