Miguel Angel Montoya helped spearhead the construction of semisubmersibles for drug smuggling prior to leaving the trade . ` Colombian traffickers using homemade submarines to transport drugs . Colombian cartels devote more resources to development of new smuggling routes . VBS has access to a naval base at the forefront of finding and destroying the smuggling .
Colombian traffickers using homemade submarines to transport drugs . Colombian cartels devote more resources to development of new smuggling routes . VBS has access to a naval base at the forefront of finding and destroying the smuggling .