Banks in League with Dictators? Banks are helping corrupt regimes by doing business with dictators and their families, according a new report by Global Witness, human rights and environmental advocates. The report, “Undue Diligence,” accuses banks including Barclays, HSBC, Citigroup and Deutsche Bank of working with the dictators of Equatorial Guinea, Liberia and Turkmenistan, as well as the dictators’ family members.