Chappell, NE is a don't-blink-or-you'll-miss-it town of 929 on I-80 between North Platte, NE and Cheyenne, Wyoming. A 400% increase in felony drug arrests sounds like a lot, but how many felony drug arrests could there ever have been in a town of 929? Did we go from 1 to 4?
I also wonder how many shitkicker rural sheriffs in neighboring states went on full batshit alert once Colorado legalized it and began pulling over every car they could with out of state license plates coming from Colorado, knowing that they would hit paydirt on at least some of them? You can pretty easily create your own crisis if you start looking for it.
To be fair to the sheriffs, I don't doubt there is some increased amount of pot leaving Colorado -- it's a tourist destination even without pot and it wouldn't surprise me at all if people who go there for other reasons (like skiing or other outdoor activities) decide to bring some home.
It also wouldn't surprise me if some people went there specifically to bring some home, although from what I've been told the retail pricing isn't all that competitive on a dollar basis with black market pot and the economics of driving cross-country to pick up a couple of ounces of weed don't seem to lend themselves to a lot of people deciding to make that trip.
I don't think you can factor in any kind of organized criminal enterprises into these complaints -- that was a "problem" *before* it was legalized. Bitching about it now because you're frothed up about pot legalization and seeing it everywhere you look just seems paranoid.