President Donald Trump has quickly mobilized wide swaths of the federal government to arrest and detain undocumented immigrants in the United States, part of a broader strategy to amass a large enforcement machine.

Local law enforcement agencies play a limited role in immigration law, but that might change during Trump's promised mass deportation operation.

Some people caught in Trump administration immigration operations have already been released back into the United States on a monitoring program.

Some of the 8,000 migrants arrested under the Trump administration's deportation crackdown have already been released back into the U.S., according to a report. Agents from Immigration and Customs Enforcement have conducted raids in cities such as New York,

In the first two weeks of his second administration, Trump has shut down the entire asylum system at the southern border, denying migrants a chance to ask for safety even if they