President Donald Trump’s promised crackdown on illegal immigration has begun to take shape in San Diego County, as federal agents launched targeted operations to arrest undocumented immigrants and a wave of military troops got to work reinforcing U.

This is just the beginning,” one Defense official said about the deployment of active-duty troops to the border with Mexico.

Troops have been previously deployed in the U.S. by presidents, including George H.W. Bush and John F. Kennedy.

U.S. President Donald Trump on Monday said he wants Congress to pass a bill that includes an increase in funding to secure the country's borders. "In the coming weeks, I'm looking forward to working with Congress on a reconciliation bill that financially takes care of our plans to totally and permanently restore the sovereign borders of the United States once and for all,

Donald Trump sends troops to the southern border to deport illegal immigrants. Over a thousand arrests reported.