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... While his deception was quickly discovered the first time around, he was able to try the same trick only a day later -- and took off on a flight headed to Sweden.

What we know about the security scam

The 39-year-old managed to hoodwink security staff at Bavaria's biggest hub for the first time on August 4.

Although passengers would normally scan their boarding passes at an automatic gate, Germany's Bild newspaper reported that the sneaky Scandinavian stood near another traveler and squeezed through without one.

He also slipped past airline staff at the gate and boarded a plane headed for the northern German city of Hamburg.

The aircraft was fully booked and, because the man did not have a seat, his trickery was revealed. ...