In an op-ed article published in the ninth edition of ISIS' Dabiq magazine released in late May, the jihadist group claims it could transport a nuclear device in the same way illicit drugs are smuggled into Europe through West Africa, adding that Boko Haram's presence in Nigeria could facilitate the transaction.

The Nigeria-based Islamic terrorist group, Boko Haram, pledged allegiance to ISIS in March.

In March, Gen. John Kelly, commander of U.S. Southern Command (Southcom), warned that Islamic terrorist groups such as ISIS could exploit the capabilities and knowledge of Latin American smuggling networks to infiltrate the U.S. through Mexico and possibly bring in weapons of mass destruction.

The general, in October 2014, acknowledged that illegal drugs from South America move "through West Africa, up the Maghreb and into Western Europe," adding that ISIS enemy al Qaeda and its affiliates take "a lot of money to allow it to flow."

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