It's a viscous cycle, more bad police equals more criminal behavior leads to desire to hire more police. It can be difficult to decide between quality vs quant

It's a viscous cycle, more bad police equals more criminal behavior leads to desire to hire more police. It can be difficult to decide between quality vs quantity. Put a bunch of people walking the streets in blue, make people feel safer; those people then create situations and exacerbate tensions in communities because they are under-trained or untrainable, makes people people avoid interactions with police, creating a power vacuum more readily filled by gangs.