President-elect Donald Trump’s pick to oversee what he has promised to be the country’s largest ever deportation effort says he will need tens of billions of dollars to carry out the mission, but it will ultimately reduce taxpayers’ burden.

Margaret Brennan spoke with Tom Homan, who will be President-Elect Donald Trump's "border czar," on Face the Nation Sunday. Homan said the administration will concentrate on "public safety threats and national security threats" in its plans for mass deportations starting on "day one.

Tom Homan, set to be President-elect Donald Trump's "border czar," reiterated on "Face the Nation with Margaret Brennan" that the incoming administration will concentrate on "public safety threats and national security threats" in its plans for mass deportations starting on "day one.