[petre]

Right. They throw away their documents, so EU countries have to document and fingerprint them again and also keep a database, preferably a shared one. Otherwise they just conveniently move from one country to another as there are close to no border checks in the Schengen area. Probably why Germany has reintroduced "temporary" border checks after the Solingen stabbing attack. Sweeden still has checks in place at the bridge to Denmark.