Theres no more crime these days, there's less, but the few 'worst case' examples we have get plastered over the myriad media channels pretty much the moment they happen.
Take islamic extremism, 50 years ago you'd have the same fears and prejudices but it wouldn't be muslims we blamed, it'd be the ira.
Take the recent attacks in paris, it's within living memory that paris suffered a lot worse from a nation we'd be pleased to call advanced and civilised these days.
We've had an immigration crisis ever since we stopped invading everywhere.
Etc etc, the world been going to hell for thousands of years every generation fighting the same battles and making the same mistakes, the only thing thats changed is the flags involved, the weapons used, and the way of finding out.