In recent weeks, authorities have arrested people in at least three states and accused them of acting like they’re carrying out the work of U.S. Immigration and Customs Enforcement.

Advocates told HuffPost the incidents show the dangerous environment immigrants are facing under President Donald Trump.

On January 26, ICE agents working in Salt Lake City called local police asking for expedited service. When officers arrived they found the ICE agents had pulled over a citizen for aggressively driving toward them during a traffic stop. Now, a video showing the interaction has the police siding with the driver.

Nassau County Executive Bruce Blakeman stressed this was a "targeted enforcement" against "illegal migrants who have committed crimes."