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Copenhagen Police released this image of an Nov. 22, 2013, incident on the city's passenger rail system. The suspect (face not blacked out) stabbed a 19-year-old man in the thigh while on the train. The suspect, identified by police as the same person involved in the Feb. 15, 2015 free speech attack, was convicted in the stabbing and recently released from jail.
Copenhagen Police released this image of an Nov. 22, 2013, incident on the city's passenger rail system. The suspect (face not blacked out) stabbed a 19-year-old man in the thigh while on the train. The suspect, identified by police as the same person involved in the Feb. 15, 2015 free speech attack, was convicted in the stabbing and recently released from jail.

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Copenhagen gunman pledged allegiance to ISIS

According to Danish police, the suspect in the deadly shootings in Copenhagen may have had help in carrying out the attacks. CNN's Pamela Brown reports.

Copenhagen gunman pledged allegiance to ISIS

According to Danish police, the suspect in the deadly shootings in Copenhagen may have had help in carrying out the attacks. CNN's Pamela Brown reports.