FinCEN, or the Financial Crimes Enforcement Network, is a government agency that is responsible for safeguarding the financial system of the United States against financial crimes. Often referred to as a watchdog or enforcer, FinCEN is tasked with monitoring financial transactions to detect and prevent money laundering, terrorist financing, and other illegal activities. Synonyms for FinCEN include anti-money laundering agency, financial intelligence unit, financial watchdog, and financial crime fighter. Regardless of the term used, FinCEN plays a critical role in ensuring the integrity of the U.S. financial system and protecting consumers from financial fraud and abuse.