This area has become a "clearing house" for the illegal drug trade centered in the oilfields of Wyoming and North Dakota. Meth in particular was nearly controlled until the Bakken Boom in North Dakota about 5 years ago, now there is a major bust pretty much every week around here.
Profiling? Yeah, its not that hard to do, and if it works then why not use it? Most of these idiots don't try to hide their position at all, on the contrary, they promote it through the use of tattoos regularly. Its like a neon sign in many cases, this one is a good example.