Immigration has been a white-hot political issue for years and helped propel Donald Trump back into the Oval Office. The incoming president has promised mass deportations and is expected to issue a slew of related executive orders soon after being sworn in. Seeing those through will be up to the Department of Homeland Security. Amna Nawaz discussed more with outgoing Secretary Alejandro Mayorkas. Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show.  Newsletters: https://www.pbs.org/newshour/subscribe  PBS News podcasts: https://www.pbs.org/newshour/podcasts  Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG  Find more from PBS News at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6  Follow us: TikTok: https://www.tiktok.com/@pbsnews  X (formerly know as Twitter): http://www.twitter.com/newshour  Instagram: http://www.instagram.com/newshour  Facebook: http://www.pbs.org/newshour