FACT FOCUS: A look at ominous claims around illegal immigration made at the Republican convention

After Donald Trump triumphantly entered the hall on the second night of the Republican National Convention in Milwaukee, the program turned to one of his signature issues: illegal immigration. An ominous video of chaos at the U.S.-Mexico border led into to a speech by U.S. Sen. Ted Cruz of Texas, who declared, “We are facing an invasion on our southern border.”