Drug money saved banks in global crisis, claims UN advisor

Drugs and crime chief says $352bn in criminal proceeds was effectively laundered by financial institutions.

Drugs money worth billions of dollars kept the financial system afloat at the height of the global crisis, the United Nations' drugs and crime tsar has told the Observer....

http://www.guardian.co.uk/global/2009/dec/13/drug-money-banks-saved-un-cfief-claims

Not specifically 911 related, but interesting nonetheless