Because finally it was deposed in the aircraft the next step made unhappy all the passengers who were ordered to leave the aircraft with their hands on their head. “Big officers & big guns. #scary,’’ a woman twitted after incident. The final control identified the owner of the bag. He was a dentist whose dental equipment had triggered the security alarm. “There is no safety issue or threat related to the incident,” the FBI said, adding the “passenger was cooperative and faces no charges.” Miami International Airport passengers faced hours-long waits Monday evening as Miami-Dade police closed two security checkpoints.