Some people like to be in a position of power over other people. Some people see it as military-lite. Some people like guns. Some people her off on hurting oth

Some people like to be in a position of power over other people. Some people see it as military-lite. Some people like guns. Some people her off on hurting other people. Some people are not smart enough to do any kind of job that requires a smidgen of intelligence, so they go into police work (it has even been shown that you will be rejected from becoming a police officer if you are intelligent - at least in the US). Etc.