Some of them were murderers. Some of them were rapists. Some of them raped a child. Some sexually assaulted a child,’ the border czar said.

President Donald Trump on Monday kicked off his sweeping immigration crackdown, tasking the U.S. military with aiding border security, issuing a broad ban on asylum and taking steps to restrict citizenship for children born on U.

Tom Homan, Trump's border czar, has described what the operation might look like and who could be involved in immigration enforcement.

President Donald Trump began his term by taking a series of sweeping immigration executive actions Monday that included declaring a national emergency at the US southern border, immediately ending use of a border app called CBP One that had allowed migrants to legally enter the United States,