President-elect Donald Trump has an array of policy initiatives on immigration he could execute on his first day back in the White House, although the full implementation of his campaign promises would have to come later in the administration and may be constrained under the law.

A federal judge on Thursday struck down a Biden administration policy aimed at creating an easier path for undocumented immigrants to become residents. However, immigration lawyer say Trumps pledge for mass deportation would have serious consequences for America.