However , over time , its use evolved into a system whereby productivity was measured and individuals were held accountable for spikes in crime .
Originally , it was modeled after the broken windows theory , whereby minor crimes would be addressed in order to reduce major crimes .
Over time , its use evolved into a system whereby productivity was measured and individuals were held accountable for spikes in crime .
Originally , it was modeled after the broken windows theory , whereby minor crimes would be addressed in order to reduce major crimes .