Drug trafficking using submarines

New subs sink drug policing efforts - POLITICO

PDF] Self-Propelled Semi-Submersibles: The Next Great Threat to Regional Security and Stability

Colombia's narco-submarines - a photo essay, Colombia

U.S. strike force intercepts narco-submarine near Puerto Rico

Police Seize First-Ever 'Narco Sub' off Spanish Coast

How good are 'narco submarines' or submarines built by smuggling organizations? Are they technological and engineering equivalents to WWII submarines? - Quora

Narco-Submarines Guide: The Underwater World of Drug Trafficking

155 Narco Submarine Photos & High Res Pictures - Getty Images

Drug cartels building new 'stealth' narco subs that can smuggle £86m of cocaine into America undetected

Narco-Submarines Guide: The Underwater World of Drug Trafficking

USS Pinckney Takes Down Drug Vessel, Seizes 70 Bales of Cocaine > U.S. Southern Command > News