Shot by who? They generally shoot themselves and each other more than being shot otherwise. Not that blue backers actually care about them.
Being a cop is about as dangerous as they make it. If they keep going as they are it will get more dangerous. Maybe someday they will have to be as brave as those in more dangerous jobs; like garbage men.
And please don't expect them to have the fortitude of a logger. They'd run around swinging a chainsaw at everyone crying that they're scared of the trees.