'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.

The most far-reaching and detailed analysis to date of the drug economy in any country – in this case, Colombia – shows that 2.6% of the total street value of cocaine produced remains within the country, while a staggering 97.4% of profits are reaped by criminal syndicates, and laundered by banks, in first-world consuming countries.'

Read more: Western Banks ‘Reaping Billions From Colombian Cocaine Trade’