I'd say the hostility to Men & Women in Blue isn't any worse than it used to be.
Of course, we don't HAVE as many men & women in blue in the public eye as we used to. What we see today is men & women in black or camouflage.
its also cyclical. Hate and distrust for law enforcement goes up and down. Any other oldsters here remember when cops were called "pigs" by nearly everyone, unless they were members of "the Establishment" or were over 30?
We had terrorists back then, too. They just weren't really religious...generally.
Another thing that might play a part is all the cop shows on TV. We are endlessly shown cops doing (nearly) anything they please in fictional shows, and we see an awful lot of cops in "reality" shows.
We have raised a generation of TV addicts who have been taught by that great teaching screen that if you talk to the cops, you will get body slammed against their cruiser....among other things...
And all the real evidence of cops doing bad things now available thanks to our advanced technology has to be playing a part as well.
In years past, it was common place for a man to rob someone and leave him unharmed. Today, a robber will shoot or harm his victim just because he feels like it
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Some have always done that kind of thing. I think more are likely to do it today than in the past, I agree there. Besides the general lack of respect for human life, there is the fact that changes to the punishments for crimes has removed any reason not to kill. At least many have that perception.
When a thug robs a store, shoots and kills the clerk, and gets 20 years for robbing the store, and 20 years for killing the clerk, and the sentences run concurrently, what exactly is stopping them from killing?
There are a great many factors involved, many of them have already been mentioned.
It was brought up how cops were heroes after 9/11 and now not so much. Well, they weren't heroes to a lot of people before 9/11. Things change, and then later, they change again.
There is a world of difference between the way our vets today are treated and what we got when we came home from Viet Nam, (in general).
Militarization, attitude, and the virtually instant and widely publicized reporting when mistakes do happen, isn't doing cops any favors when it comes to making friends with the general public.
Like any other minority group, cops all get tarred with the same brush. We can, and really should do better. And so should they!