Keith Bulfin was a banker, not a spy. But then came a special client–a supposed coffee importer who was actually a banker for Mexican and Colombian drug cartels. Soon, U.S. authorities were knocking on Keith’s door. He ended up behind bars in a maximum security prison. While in prison, Bulfin ended up befriending leaders of drug cartels and eventually became their private banker, while secretly feeding intelligence to the U.S. government. It was a descent into a world few see and fewer survive.

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