The Massachusetts State Police says its mission is not “investigating and enforcing violations of federal immigration law,” leaving deportation responsibilities solely to U.S. Immigration &

Department members are NOT authorized to stop, arrest, and/or take an individual into custody based solely on an ICE detainer,” MSP’s policy says.

Massachusetts Gov. Maura Healey (D) said her state’s law enforcement will not assist in mass deportations if President-elect Trump follows though with such a plan. “No, absolutely not,” Healey told MSNBC’s Lawrence O’Donnell on Wednesday when she was asked whether Massachusetts would assist if the Trump administration asked.

President-elect Donald Trump has made tougher immigration enforcement a key campaign promise in each of his White House bids. If he follows through on his pledge for mass deportations and tighter immigration policies,

The mass deportation of undocumented immigrants would face legal and practical challenges - and cost billions.

Immigrants, their employers and groups who work with them are already taking action ahead of President-elect Donald Trump’s second term, in which he has promised to deport millions of people.