Final answer:
The law enforced by FinCEN and protects against financial crimes, including the financing of terrorism and money laundering is The Bank Secrecy Act.
Step-by-step explanation:
The law enforced by FinCEN and protects against financial crimes, including the financing of terrorism and money laundering is The Bank Secrecy Act. It was enacted in 1970 and is primarily concerned with preventing money laundering and terrorist financing through financial institutions. The act requires financial institutions to maintain records and report certain transactions that may be indicative of money laundering or other illicit activities.