Two part response: 1) There's nothing backing up those claims, and without hard data it's hard to know how seriously to take them. That said, those aren't uncom

Two part response: 1) There's nothing backing up those claims, and without hard data it's hard to know how seriously to take them. That said, those aren't uncommon claims to make against any poor immigrant group (in Eastern Europe, you'll hear much the same charges levied against the Roma, gypsies, with some regularity). 2) At the heart of it, the real issues are demographic and integration based, not religious. There's a reason you don't see those kind of claims in the US, Canada, or the UK: those countries are used to new immigrants and integrating them. Mainland Europe is not, and has struggled to figure out how to do so, and that lack of integration has consequences which typically manifest in crime.