Many new anti-money laundering laws such as the Know Your Customer Act and the Foreign Account Tax Compliance Act (FATCA) have been implemented since 9/11. These laws were passed in the name of fighting terrorism, but have also been used for many other purposes such as detecting tax evasion. Have these AML laws been effective at fighting terrorism? Have these AML laws been unconstitutional violations of privacy and, an overly bureaucratic waste of time?