This is a very old problem; even in the Roman Empire, the question was famously asked, who guards the guardians? Since it is the police who enforce the laws, it is the police who have to arrest other...
In Chicago prior to the Summerdale scandal there were 49 police stations. That was cut to 21 by O.W. Wilson in 1961. Currently there are 25 police stations in Chicago There are over 12,500 different...