Read this: In some countries, law enforcement uses race to profile suspects. This use of racial categories is frequently criticized for perpetuating an outmoded understanding of human biological variation, and promoting stereotypes. Because in some societies racial groupings correspond closely with patterns of social stratification, for social scientists studying social inequality, race can be a significant variable. As sociological factors, racial categories may in part reflect subjective attributions, self-identities, and social institutions.

Why is using racial categorization for profiling often criticized? 
What is the answer? (If it cannot be answered, return "unanswerable")
perpetuating an outmoded understanding of human biological variation