answer:Putting plans for silencers and such on the internet is not illegal. Making one without ATF approval however, is, and this kid could be looking at 20+ years in the bubba-gonna-fuck-you pen if he isn’t careful. I really, really, really blame parents when issues like this arise. If they cared and actually invested some time and empathy in their kids’ lives than I honestly think we would see less of this. About this kid in particular… *shrugs… who knows?