Tracking the foreign nationals detained by ICE as tourists or U.S. residents

U.S. tourists and permanent residents from around the world have been arrested, detained and deported under the Trump administration's immigration crackdown.

Why it matters: The recent high-profile detentions and deportations demonstrate an escalation in tactics from immigration officials accused of targeting some for their political stances or involvement.

What we're watching: The United Nations advised its New York-based employees and their family members to carry U.N. identification cards and a copy of their passport page that contains their visa, the New York Times reported on March 24.