Agreed. A huge problem I haven't been able to think of is the (already happening in masse) practice of targeting black people because the data says so. However

Agreed. A huge problem I haven't been able to think of is the (already happening in masse) practice of targeting black people because the data says so. However over time police Dept invests data capture resources in "bad areas" - which may have a lot of black residents. I wonder how to separate the defense that some black areas are obviously bad and why would a dept put surveillance resources in a good neighborhood? I personally feel it's wrong but that's one thing I've always got hung up on in building a critique.