but the government sited some law that prevents people without an arms manufacturing license from disseminating this kind of information.
Well, of course! Information is dangerous. We can’t have an informed public, now can we? It starts with kids in school, and extends through the rest of our lives (cradle to grave, basically).
Tied to that, I wonder when (if it hasn’t already begun) the baby’s footprint at birth is going to be replaced by a “far more reliable method of identification” such as universal DNA profiles. He who keeps all the information, and also controls it, wins.