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 defended the city's police commissioner after criticism from a Trump administration official on ...

"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 ...

President Donald Trump's border czar Tom Homan issued a stern warning for Boston officials when it comes to its sanctuary ...

A war of words has brewed between the Trump administration's border czar Tom Homan, Boston police Commissioner Michael Cox, ...

Tom Homan, President Donald Trump's border czar, called out Boston and the city's police commissioner during a fiery speech ...

Boston Mayor Michelle Wu responded to reporters’ questions about comments made by the Trump administration’s ‘Border Czar’ ...

Sharon Durkan, a member of the Boston City Council, lambasted Trump administration Border Czar Tom Homan in a social media ...

As the Trump administration border czar takes aim at “bringing hell” to Boston and Mayor Michelle Wu and other sanctuary city ...

The White House's border czar once again singled out Boston on its treatment of immigrants, saying he'll be "bringing hell" ...

The 'Fox & Friends' co-hosts discuss the latest on the Trump administration's crackdown on illegal immigration as border czar ...