Unfortunately, the SCPD are having a little bit of success with the predictive policing compstat. In the arrest mentioned in the article, the tip-off from the program was for burglary, but the arrests were for drugs and a probation violation. As expected, the predictive policing model is being used as an excuse for police to target those whom they would anyway--the underclass and the excluded.
Here's some news from across the country about predictive policing.
Santa Cruz Sentinel