Or to give it an engineering flavor, the ROC: https://en.wikipedia.org/wiki/Receiver_operating_characteristic https://en.wikipedia.org/wiki/Receiver_operating_c

Or to give it an engineering flavor, the ROC: https://en.wikipedia.org/wiki/Receiver_operating_characteristic https://en.wikipedia.org/wiki/Receiver_operating_characteris... It seems we accept a higher FAR (False Alarm Rate, a diagnostic which gives a false positive) for certain communities (poor people, minorities) than others. The consequence matters too: even people who support the retributive aspect of the death penalty may reject it in practice because of the excessive false conviction rate.