U.S. Deportation Tracker: Counting Arrests, Arrests and Border Crossings

President Donald Trump took office promising the largest mass deportation in U.S. history, targeting more than 10 million unauthorized migrants living in the country. Since then, data shows that border crossings have plummeted, immigration and customs control (ICE) arrests have doubled, and the number of people detained has reached a record high. NBC News monitors the implementation of migration laws with data from ICE and the U.S. Customs and B…