> I sincerely believe that the police officers who carry a gun must demonstrate fitness -- physical, mental, psychologically, target practice, gun safety, etc at least once a month from an independent third party.

I work for a Fire Department. Have seen first-hand the vehement push back both fire and police unions have had when departments/cities have suggested that the CPAT (candidate physical ability test) used at hiring time become an annual requirement.

I know of two firefighters who were rejected from multiple police departments, with at least one being explicitly because they failed the psych assessment...