Barbarians within the gates
That was certainly the case a decade or two ago. But while the US has been resolutely tackling this problem and getting its crime rates down -- most notably with Rudy Giuliani's tough policies which have made New York one of the safest major cities in the world -- western Europe has suffered the effects of what almost seems like a kind of barbarian invasion. France has been the hardest-hit, inevitably, since it has the largest Muslim population both in absolute terms and as percentage of total population, but in other countries and especially certain cities, such as Malmö in Sweden, things are also very bad. Please view this article, which starts off with a single recent incident and then provides half a dozen links to discussions of the general situation over there. Be warned: some of it's gruesome. And even this is only the tip of the iceberg of the problem.
And here's an especially sad and disturbing case from the Netherlands.