Here, for instance, is one depiction of the superhighway. Immigrants, legal or not, usually go straight from the border to Kansas City. They either stay , or disperse along the branches out of the Kansas City Hub to other states.
Missouri was one of the first publicized outbreaks, iirc. From there it has spread to
And here's a simpler map that very closely matches the Map with Rush.
180 posted on 09/13/2014 6:55:07 PM PDT by UCANSEE2
(Lost my tagline on Flight MH370. Sorry for the inconvenience.)