>> In many of the other jobs, deaths are due to accidents/pure carelessness/acts of nature When cops die, it's much more likely from a criminal act.
Scroll down in Tamar's link to confirm. Taxi drivers followed by Police and then security guards from violence or homicide.
Curiously, it's against the rules in most jurisdictions for taxi drivers to arm themselves. Is that Constitutional?
"... They ne'er cared for us
yet: suffer us to famish, and their store-houses
crammed with grain; make edicts for usury, to
support usurers; repeal daily any wholesome act
established against the rich, and provide more
piercing statutes daily, to chain up and restrain
the poor. If the wars eat us not up, they will; and
there's all the love they bear us."
-- Shakespeare: Coriolanus, Act 1, scene 1