The president’s Day 1 actions included directives that fly in the face of legal limits on involving the military in domestic operations and the constitutional guarantee of birthright citizenship.

The Bay Area immigration rights activists were bracing for Day 1 of the Trump administration as changes were rolled out within hours of President Trump taking office.

President Donald Trump's administration has directed federal prosecutors to criminally investigate state and local officials who attempt to resist its immigration enforcement efforts, according to a memo to Justice Department staff seen by Reuters.

The Trump administration is directing the Justice Department to dramatically boost its efforts on immigration enforcement, making it an agency top priority.

A top US Justice Department official installed by Donald Trump warned prosecutors that they must comply with the president’s hard-line immigration agenda and laid the groundwork for a clash with state and city officials who don’t cooperate with the administration’s crackdown.