As part of the Bank Integrity Unit, Ms. Ambuehl is responsible for prosecuting criminal violations of the Bank Secrecy Act, U.S. economic sanctions and money laundering laws committed by financial institutions and their employees. In this role, she has prosecuted some of the largest financial institutions in the world. Her prosecution of BNP Paribas resulted in the first guilty plea by a global bank to large-scale, systematic violations of U.S. economic sanctions and BNP Paribas’ forfeiture of $8.9 billion. Her prosecution of Citigroup resulted in its subsidiary accepting responsibility for its criminal violations of the Bank Secrecy Act and forfeiting $97 million.