MILWAUKEE (CBS 58) -- The Transportation Security Administration found a gun in a passenger's carry-on bag at Mitchell International Airport. 

TSA says they found it at a checkpoint on Monday, Sept. 26.

Officials are reminding passengers if traveling with a gun, put it in a locked, hard-sided case with your checked luggage.

This firearm was detected in a passenger's carry-on bag at a @MitchellAirport checkpoint on Monday. If you're traveling with a firearm, do so properly - in a locked, hard-sided case with your checked luggage. pic.twitter.com/E5jZ8WMu0m

— TSA_GreatLakes (@TSA_GreatLakes) September 27, 2022