(Anita Snow | The Associated Press) In this photo taken Monday, Dec. 4, 2017, in Nogales Mexico, crosses with the names of migrants who have died on the northbound journey to the United States. The federal government on Tuesday, Dec. 5, 2017, issued its most complete statistical snapshot of immigration enforcement under President Donald Trump, saying Border Patrol arrests plunged to a 45-year low while arrests by deportation officers soared.