The only causal link between less police leading to less crime: is fewer police reports. People give up reporting crime if police is nowhere to be found. Look

The only causal link between less police leading to less crime: is fewer police reports. People give up reporting crime if police is nowhere to be found. Look at san frasicko: people wont even bother registering crime if their car window broke or cat stolen. On paper crime rate is lower, in reality it is different.