The day before Halloween in 2012, Donnie Fowler, a lobbyist from a little-known tech start-up called PredPol, e-mailed a confidential login and password to the San Francisco Police Department's chief information officer, Susan Merritt. The password allowed Merritt to log into an online mapping tool that, according to Fowler and his business partners, was already predicting where crimes are likely to happen... More >>>