While I'm not thoroughly educated on the ins and outs of the police application process one would imagine that it would be a prerequisite for a police officer to be um...sane. I can't tell you how many paranoid, self-centered, egotistical jackasses I've met 'on the force' who do anything and everything they want and damn the consequences because more often than not there aren't any for cops. If there is already psychological pre-screening, and periodical screens as well, in place then that particular test needs to be binned, reevaluated and a focus for higher level management. Not to mention a severe need for a zero-tolerance disciplinary action system.