Chicago PD's predictive policing tool has been shut down after 8 years of catastrophically bad results

In 2012, Chicago PD collaborated with the RAND Corporation and the Illinois Institute of Technology to automatically generate "risk scores" for people they arrested, which were supposed to predict the likelihood that the person would be a "party to violence" in the future (this program was called "TRAP" -- Targeted Repeat-Offender Apprehension Program" -- seemingly without a shred of irony). Now, that program has been shut down, and the City of Chicago's Office of the Inspector General has published a damning report on its eight-year reign, revealing the ways in which the program discriminated against the people ensnared in it, without reducing violent crime. Read the rest