This dance move could cost him a lot. In the United States, an off-duty FBI agent, Chase Bishop involuntarily shot a bystander in a nightclub, after attempting to do a backflip in the middle of the dancefloor.The footage was filmed and shared on Twitter by a local journalist from 9 News, and it has obviously made a lot of people react. Viewed more than 2 million times, the video shows the officer’s gun firing after making impact with the ground and injuring someone in the crowd. Bishop... You made a big misake BBC NewsAccording to local media KDVR, the injured person was hospitalised but we weren't sure of his prognosis.The place was evacuated shortly after the incident, and owners have announced that they’re planning to install metal detectors at the entrance of the club. According to Denver 9 news, Bishop was interviewed by the Denver police, then released and handed over to an FBI supervisor.