How a big US bank laundered billions from Mexico’s murderous drug gangs
Ed Vulliamy, The Observer, April 3, 2011

… During a 22-month investigation by agents from the US Drug Enforcement Administration, the Internal Revenue Service and others, it emerged that the cocaine smugglers had bought the plane with money they had laundered through one of the biggest banks in the United States: Wachovia, now part of the giant Wells Fargo. …

“Wachovia’s blatant disregard for our banking laws gave international cocaine cartels a virtual carte blanche to finance their operations,” said Jeffrey Sloman, the federal prosecutor. Yet the total fine was less than 2% of the bank’s $12.3bn profit for 2009. …

The conclusion to the case was only the tip of an iceberg …