Szymkowiak, Kenneth, "Sōkaiya: An Examination of the Social and Legal Development of Japan's Corporate Extortionist", International Journal of the Sociology of Law, Vol. 22, 1994 External links Japan faces fresh scandal, cnn.com, March 11, 1997 'Sokaiya' scams hit Japan, cnn.com, December 19, 1997 Executive quits over gangster charges, BBC News, 21 November 2002 Japanese business law Japanese business terms Racketeering Yakuza