USCIS halted all immigration processing for Afghan nationals as officials review security and vetting protocols after two National Guard members were shot near the White House.

Rahmanullah Lakanwal’s path from a village in Afghanistan to the corner in Washington, D.C., where authorities say he opened fire on two National Guard troops was forged by America’s longest war.

Pirro said he ambushed the two National Guardsmen on Wednesday as they patrolled near the White House.