"What kind of world are we living in where a criminal, terrorist, or anybody with access to the internet and a 3D printer can build a gun?" Rosenblum said in a statement. (Disclosure: Rosenblum is married to the co-owner of WW's parent company.) "Once these tutorials to build 3D-guns are unblocked, there is no turning back. This action has been taken in utter disregard for public safety and I will not stand for it!"