Wachovia admitted it didn’t do enough to spot illicit funds in handling $378.4 billion for Mexican-currency-exchange houses from 2004 to 2007. That’s the largest violation of the Bank Secrecy Act, an anti-money-laundering law, in U.S. history — a sum equal to one-third of Mexico’s current gross domestic product.

“Wachovia’s blatant disregard for our banking laws gave international cocaine cartels a virtual carte blanche to finance their operations,” says Jeffrey Sloman, the federal prosecutor who handled the case.

— From one of the best pieces I’ve read in awhile “Banks Financing Mexico Gangs Admitted in Wells Fargo Deal” that Grant had in Bloomberg Magazine