InSight Crime investigator Sam Woolston offered authoritative analysis on ZDFheute regarding the use of narco subs to smuggle cocaine into Europe. Narco subs have been in operation for decades, mainly transporting cocaine from Colombia’s Pacific coast to Central America or Mexico. Recent seizures of these hard-to-detect vessels shows they’re growing in number, expanding their reach, and becoming increasingly sophisticated, allowing them to consistently outpace enforcement efforts.