This CCTV screenshot released on January 4 by the Belgian Federal Police shows Berlin truck-attack suspect Anis Amri walking in the Brussels-North train station on December 21, two days after the attack. Photo: ReutersThis CCTV screenshot released on January 4 by the Belgian Federal Police shows Berlin truck-attack suspect Anis Amri walking in the Brussels-North train station on December 21, two days after the attack. Photo: Reuters
This CCTV screenshot released on January 4 by the Belgian Federal Police shows Berlin truck-attack suspect Anis Amri walking in the Brussels-North train station on December 21, two days after the attack. Photo: Reuters

Berlin attacker had 14 aliases and was subject of repeated counterterror briefings

This CCTV screenshot released on January 4 by the Belgian Federal Police shows Berlin truck-attack suspect Anis Amri walking in the Brussels-North train station on December 21, two days after the attack. Photo: ReutersThis CCTV screenshot released on January 4 by the Belgian Federal Police shows Berlin truck-attack suspect Anis Amri walking in the Brussels-North train station on December 21, two days after the attack. Photo: Reuters
This CCTV screenshot released on January 4 by the Belgian Federal Police shows Berlin truck-attack suspect Anis Amri walking in the Brussels-North train station on December 21, two days after the attack. Photo: Reuters
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