Primary Outlet: Univision AmericaBroadcast Date: Tuesday, July 31, 2018 - 1:10pmBroadcast Type: interviewBroadcast Format: televisionScholar: Kopel, David B.Subjects: 3-D printed gunsResearch Area: Law and Civil LibertiesLink: https://www.cato.org/multimedia/media-highlights-tv/david-b-kopel-discusses-3d-p…