About two out of three people in local jails are being held awaiting trial, often because they can't afford bail. What if a mathematical formula could do a more objective job of identifying who could be safely released? That's the promise of risk assessments. But critics call them "justice by algorithm," and contend they're reproducing the bias inherent to the justice system, only this time under the guise of science. Full show notes (includes pictures, episode transcript, and resources & references section)