This isn't the first time Michelle Wu and President Trump's border czar Tom Homan have clashed over immigration issues.

Boston Mayor Michelle Wu slammed President Donald Trump's border czar Tom Homan for saying he would "bring hell" to the city if authorities didn't fully comply with the administration's immigration crackdown.

"Take that badge off your chest, put it in the desk drawer because you became a politician, you forgot what it was like to be a cop.”