It's not a tautology, it's a feedback loop. If a group has or is perceived to have a higher rate of criminality, they will be treated in ways which reinforce cr

It's not a tautology, it's a feedback loop. If a group has or is perceived to have a higher rate of criminality, they will be treated in ways which reinforce criminal tendencies and promote more criminal behavior. A "self-fulfilling prophecy", if you will.