Partly because the police often fear for their lives, they tend to have a “working personality” that is authoritarian and suspicious. Police corruption and use of undue force remain significant problems in many police departments.
Prisons are squalid places, and incarceration has not been shown to reduce crime in an effective or cost-efficient manner.
Most criminologists agree that capital punishment does not deter homicide, and they worry about racial discrimination in the use of the death penalty and about the possibility of wrongful executions.