Political stalemate may force the agency to partially shutter.
Immigrants' loss may be the Department of Homeland Security's gain, at least temporarily.
Frequently asked questions about the border crisis.
Homeland Security Secretary Jeh Johnson says no one, not even children trying to escape violent countries, can illegally enter the United States without eventually facing deportation proceedings.
President Obama says he can't sit by and do nothing on immigration.
Former Defense counsel Jeh Johnson confirmed by Senate to serve as Secretary of Homeland Security.