There are some signs that the strategy may be working; as Forbes notes, early results in cities like Atlanta, Los Angeles and Santa Cruz saw both reduced crime rates and better prediction compared to conventional analysts. However, the jury's still out. Without more extensive studies, it's hard to know whether the drops are directly related to predictive software or can be chalked up to other factors, such as crooks moving to other areas. Also, the tools could tempt police departments into leaning too much on code instead of understanding neighborhoods and tackling deep-seated problems. If the software is both proven effective and used wisely, though, it could cut back on unnecessary tragedies and familiarize rookie cops with known trouble spots.