Some Arizona residents aren't waiting for the president or Congress to curb illegal immigration. Instead, they're arming themselves, creating so-called private citizen patrols. Others refer to them as vigilantes. Whatever you call them, more and more are forming in border towns like Sierra Vista and Douglas where those citizen patrols aren't only toting guns, they're recruiting new members. They're even using sophisticated technology in their hunt for border crossers. For example, an unmanned plane offers a bird's-eye view of the border, including group after group of illegal immigrants sneaking across the border. The most popular smuggling route in the country...