Federal immigration officers have been dispatched to truck weigh stations at select locations nationwide as part of the Trump administration’s effort to find, arrest, and deport illegal immigrants who were given commercial driver’s licenses, according to a senior Trump administration official.

White House border czar Tom Homan said federal law enforcement is on-site to identify and intercept the nearly 200,000 non-U.S. citizens who received CDLs from states despite their having illegally entered the United States.