At least 1,500 active-duty troops were ordered to deploy to the U.S.-Mexico border to help enforce President Trump's immigration orders, the White House says. CBS News' Charlie D'Agata has the latest.

The U.S. military is beefing up its presence at the southwest border as part of President Donald Trump's crackdown on unauthorized immigration. Is that an unusual change?

Hours after the Pentagon announced that it would send 1,500 active duty troops to the U.S.-Mexico, reports surfaced that the number was actually 10,000.