The FBI
has criminal jurisdiction in "Indian Country" (the
official name for the program) for major crimes under the "Indian
Country" Crimes Act (Title 18, United States Code, Section
1152), the Indian Country Major Crimes Act (Title 18, United
States Code, Section 1153), and the Assimilative Crimes Act
(Title 18, United States Code, Section 13). The 1994 Crime
Act expanded federal criminal jurisdiction in Indian Country
in such areas as guns, violent juveniles, drugs, and domestic
violence. Under the Indian Gaming Regulatory Act, the FBI has
jurisdiction over any criminal act directly related to casino
gaming. The FBI also investigates civil rights violations,
environmental crimes, public corruption, and government fraud
occurring in "Indian Country."