The flurry of attempted illegal crossing along the U.S.-Mexico border comes just 72 hours before Trump's inauguration. Border Patrol agents dissuaded and easily rounded the few migrants to face criminal charges of illegally entering the U.S.

How will Mexican leaders respond if, as expected, Trump pressures them to accept deportees from third countries? 'Mexico is in a really tough spot.'

The department that the South Dakota governor seeks to lead will be critical to fulfilling the incoming administration’s promises to quickly crack down on immigration.