What compstat is suppose to be
en.wikipedia.org/…
Why it led to a negative effect
“Initially, I think it was easier to bring down crime, because crime was so high. It's kind of like squeezing a lemon — when you squeeze a lemon, the juice is easy to come out initially. But over time, it's more and more difficult.… Commanders are under enormous pressures to make sure that the crime numbers go down. And then the message filters down to the lower rank: If the captain's not doing well, or the inspector's not doing well, we're not doing well.”
www.vox.com/...