No, ISIS fighters weren't caught at the border
07:13Chris Hayes talks to Congressman Beto O'Rourke about his colleague's claim that "at least 10" ISIS fighters have been caught at the U.S. border with Mexico.
Chris Hayes talks to Congressman Beto O'Rourke about his colleague's claim that "at least 10" ISIS fighters have been caught at the U.S. border with Mexico.
