Attacker Anis Amri had been rejected for asylum in Germany but authorities had been unable to deport him. Amri, who had used at least 14 different identities since coming to Germany, also was on their radar as a potential security risk.
Volker Kauder, the caucus leader of Merkel's conservative Union bloc, noted today there are questions whether there were coordination problems between federal and state authorities, news agency dpa reported.
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