Excerpt:

Indications are mounting that the assault on a bus carrying US soldiers at the Frankfurt Airport on Wednesday afternoon was an Islamist terror attack.

The alleged perpetrator, Arid U., who admitted on Thursday to having carried out the attack, appears to have had extensive contact with radical Islamists via his Facebook page. SPIEGEL ONLINE has also learned that the shooting, which killed two American airmen and injured two others, possibly came after the gunman, identified as Arid U., was unable to leave Germany and travel to Afghanistan. Instead, the 21-year-old airport employee opted to attack US troops in Germany, according to a jihadist website. No proof for the assertion is offered, but the jihadists claim to have been in contact with acquaintances of Arid U.

SPIEGEL ONLINE has learned that Arid U., told police that he acted alone. He says that one day before the attack, he watched a video on YouTube which he says showed the rape of Muslim women. He says the film upset him so much that he decided to take action. Investigators consider his testimony to be credible, but are continuing to look into possible accomplices. Such films as that described by U., often propaganda videos, have circulated among jihadists for some time.


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