While the Pacific has long been used as a highway to transport drugs to the Australian and New Zealand markets, the use of narco subs would allow syndicates to send large quantities to the region in single shipments.

In Victoria and surrounding counties in South Texas, only cartel authorized dealers – namely the Houston chapter of the Mexican Mafia – could distribute and sell high-purity cocaine. All other dealers had to dilute their product by 50 percent or face consequences, Boyd said.

For years, authorities have battled an illicit black market for US dollars fueled by strict Chinese government restrictions. An IRS Special Agent speaks exclusively to CNN about the scheme.

USS Gerald R. Ford carrier strike group arrives in Southern Command area of operations near Venezuela as part of the Trump administration’s campaign against drug cartels.

Cartels have turned to recruiting ex-military personnel and adopting military-style tactics to undermine the rule of law and control territory.

President Donald Trump said Monday he supports aggressive action against drug cartels and narcotics production in Mexico and Colombia, his latest saber-rattling in the region after a series of strikes on small boats in the Caribbean and Pacific.

A drug cartel took over a gold mine. Here's how an American businessman and his trusted fixer persuaded the Mexican government to send in the army to drive the cartel out.

Gen Z activists are marching in Mexico City today against what they call a narco-state, while Mexican President Sheinbaum alleges the protesters are backed by right-wing parties.

So far, the Prime Minister here – Kamla Persad-Bissessar – has supported Donald Trump’s strategy to blow up boats , many in the Caribbean sea, that he claims are carrying drugs. She has argued that drug trafficking in these waters has brought “carnage” to her country.