The news station reported that the Transportation Security Administration confirmed the incident with ABC News, saying the man and his firearm made it through the checkpoint at Hartsfield-Jackson International Airport on Jan. 2 and he boarded a Delta flight to Tokyo Narita International Airport.

ABC News reported that the owner of the gun informed airline workers of what happened “upon arrival” in Japan. Delta confirmed to ABC News that upon the customer’s disclosure, airline officials alerted TSA.