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.

In line with Trump’s edict, CNN’s Natasha Bertrand, Priscilla Alvarez, Haley Britzky and Oren Liebermann report. They’re expected to beef up existing operations to support Customs and Border Protection,