Mizuho Bank has admitted that at least four of its executives, including two former deputy presidents, knew that it was lending money to underworld and other “antisocial” groups and that it neither stopped nor sought to hold management responsible.
Among the four, an unnamed former deputy president was aware of the illicit practice as far back as December 2010….
http://www.japantimes.co.jp/news/2013/10/05/business/mob-linked-loans-dating-to-2010-only-learned-of-recently-at-top-mizuho-exec/#.UmUUPiuCi71