This is serious issue for identity of US itself. And if people have to fear for their life in US , i am not sure what will drive US moving forward.
Europeans probably hate immigrant more then US, but they don't have guns in every people hands. This hatred coupled with gun is going to be major issue. And stories in media give idea to low life maroons .
I am not sure there is quick fix for it, this is decades of building and outburst . They could have changes the immigration law and reduce inflow of people , if that's what law makers and people of US wanted, but spreading hatred and violence in media bring us to this point . There isn't undo button for this. All small towns and outskirts are too risky now.