"since it is not legal to use verbal harasment while on the job in BC "
Unless we are both working for the same employer, this could not apply.
If a Cop produces "demeaning pictures, posters and graffiti", then you might have some sort of human rights complaint? Sorry to tell you but most Cops are not carrying pictures and posters of you and I've never heard of a Cop tagging a client or their vehicle.