Homeland Security Secretary Alejandro Mayorkas is a former federal prosecutor whose family brought him to the U.S. from Cuba as an infant, and is the first immigrant and Latino to lead the agency. Since taking office, Mayorkas has made combating domestic violent extremism one of the agency’s top priorities. VICE News sat down with him to discuss why—and whether social media platforms are helping or not. Subscribe to VICE News here: http://bit.ly/Subscribe-to-VICE-News Check out VICE News for more: http://vicenews.com/ Follow VICE News here: Facebook: https://www.facebook.com/vicenews Twitter: https://twitter.com/vicenews Tumblr: http://vicenews.tumblr.com/ Instagram: http://instagram.com/vicenews More videos from the VICE network: https://www.fb.com/vicevideo #VICENews #News