article_snippet.sent: Given how the terrorist threat to the world is evolving, how the potential terrorist threat to our nation is evolving, homeland security is becoming a matter of 'hometown security,'" Homeland Security Secretary Jeh Johnson told reporters Thursday.
article_snippet.sent: the potential terrorist threat to our nation is more decentralized, more diffuse, more complicated.
article_snippet.sent: the potential terrorist threat to our nation involves the potential lone wolf actor, the potential terrorist threat to our nation involves the effective use of social media, the Internet.