What Would Happen If a Police Department Discontinued the Use

What would happen if a police department discontinued the use of paramilitary-style uniforms?

A) We don't know what the result would be, as this has never been attempted.
B) One city found that converting to blazer-style uniforms temporarily reduced assaults on officers.
C) One city found that having officers wear bulletproof vests over their uniform shirts resulted in officers "becoming a target."
D) None of the above is true.