Rich countries beneficiaries of drug trade

From The Guardian:

The vast profits made from drug production and trafficking are overwhelmingly reaped in rich "consuming" countries – principally across Europe and in the US – rather than war-torn "producing" nations such as Colombia and Mexico, new research has revealed. And its authors claim that financial regulators in the west are reluctant to go after western banks in pursuit of the massive amount of drug money being laundered through their systems.