"Racial Profiling" refers to the discriminatory practice by law enforcement officials of targeting individuals for suspicion of crime based on the individual's race, ethnicity, religion or national origin. Criminal profiling, generally, as practiced by police, is the reliance on a group of characteristics they believe to be associated with crime.

As the qualifying term "impermissible use" indicates, the definition does not prohibit reliance by law enforcement authorities on race, ethnicity, national origin, or religion in all circumstances. Rather, it is aimed at law enforcement activities that are premised on the erroneous assumption that individuals of a particular race, ethnicity, national origin, or religion are more likely to engage in certain types of unlawful conduct than are individuals of another race, ethnicity, national origin, or religion.