What other jobs get you punched, kicked, spat upon, and possibly shot? I don't envy their jobs and I don't begrudge their pay scale. If you want people who want to supplement their pay by doing illegal acts then the easiest way is to pay them dirt, for a dirty job. That we have some officers who are still willing to do that given their pay means, to me, that they need to be held to a higher standard because of their positions and stomped on with jack-booted feet, when they get out of line. Until then they need to be treated with due respect.
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The question of the inquest is, "How do we make policing better?" It seems rather simple, to me. Stop hiring people who have the American cowboy attitude. Use psychological testing to help insure that you're not hiring thugs who are looking for a chance to flex, or line their pockets. Move to a more Scandinavian model of policing and away from the American one that we're drifting to. Look at almost anything in the legal system of the United States and compare it to what we do in Canada, using statistics, and you'll see that we're already far more successful than tey are. Moving in that direction, as we seem to be now, is idiotic.