Specifics of detainments have been scarce, leaving it unclear whether the criminals being targeted make up a significant share of those being captured.

Immigration and Customs Enforcement has space to detain about 41,000 people a day, but Trump’s "border czar," Tom Homan, wants space to hold over double that amount.

President Donald Trump’s “largest-ever” mass deportation has led to the arrests of thousands of illegal immigrants in the first 10 days of his presidency, but the new administration has a ways to go if it intends to surpass the Obama administration’s massive first-term figures.