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TL;DR: A small group of forensic researchers is challenging the belief that 3D-printed ghost guns – unserialized firearms built at home – are completely untraceable. Their work offers a glimmer of hope to investigators and lawmakers grappling with the growing threat of criminals using these weapons.
Kirk Garrison, a forensics expert with the San Bernardino Sheriff’s Department, has spent years working at the intersection of digital blueprints, heated plastic filaments, and real-life criminal cases. He recently told 404 Media that he has started finding ways to match 3D-printed objects to the specific machines that produced them…