Firearm Trafficking

Firearm trafficking is the illicit trade and transfer of firearms, ammunition, and related components that fuels organized crime, armed violence, and terrorism. Unlike one-time gun thefts or isolated illegal sales, firearm trafficking is sustained and repeatable: networks rely on recurring methods of sourcing, transport, and financial concealment that persist even as enforcement tactics evolve. Trafficked guns originate from thefts, corrupt dealers, straw purchases, and illegal manufacture and often move across state or national borders to exploit gaps in regulatory oversight. Once in circulation, these durable weapons may remain in illicit markets for years, repeatedly resurfacing at crime scenes. This chapter examines the key modus operandi variables – including procurement, concealment, shipping routes, and money laundering – that reveal patterns across cases. It also highlights emerging threats such as “ghost guns,” unserialized weapons created from parts kits or 3D-printed components, which bypass background checks and complicate tracing. Recognizing these recurring elements allows analysts, investigators, and policymakers to link cases, disrupt trafficking networks, and reduce the long-term risks to public safety.