An area known as the Darién Gap in Panama—while not a place most Americans may be aware of—is crucial to the flow of illegal immigrants into the United States. Thousands and thousands of illegal immigrants pass through a treacherous stretch of jungle every single day, in their attempts to make it to the United States. And according to war correspondent and investigative reporter Michael Yon, a significant proportion of the immigrants coming through this area have the potential to pose extremely high risks for U.S. security. Michael Yon joins us today to discuss the situation in Panama.