The U.S. southern border has seen a sharp drop in migrant encounters entering between ports of entry at the southern border, according to a CBP source.

U.S. President Donald Trump on Monday signed executive orders declaring illegal immigration at the U.S.-Mexico border a national emergency, designating criminal cartels as terrorist organizations, and targeting automatic citizenship for U.

President Donald Trump's administration has directed U.S. prosecutors to criminally probe local officials who resist immigration enforcement efforts, intensifying a sweeping crackdown that Trump launched the day he took office.