DOUGLAS, Ariz. -- It's no secret that people sneak into the United States from Mexico every day. But what has been kept under wraps is exactly who is coming in. NBC4's Chuck Henry went deep in the Arizona desert to find out. It's a place that used to go by the name "Cocaine Alley" because of all the drugs that were smuggled through. But now some officials are more concerned about human smuggling, specifically illegal entry at the border by individuals who are not actually from Mexico. They're called "Special Interest Aliens," because they're coming from countries believed to be...
