"This report represents a compilation and new analysis of data on the effects and consequences of violent crime among American Indians. The report uses data from a wide variety of sources, including statistical series maintained by the Bureau of Justice Statistics (BJS), the FBI [Federal Bureau of Investigation], and the Bureau of the Census. Data are reported from American Indian crime victims on how they were affected by the victimization and about who victimized them. The report also includes the first BJS estimates of the total number of American Indians under the custody or supervision of the justice system."
United States Bureau of Justice Statistics: http://bjs.ojp.usdoj.gov/