A Loaded Gun Was Discovered In The Bag Of A Passenger Going Through The Checkpoint At Tri Cities Regional Airport. Tsa Told Airport Police About The .22 Caliber Handgun Who Took The Ban And Escorted The Passenger Out Of The Checkpoint Area. Firearms Are Permitted To Be Transported Via Airplane But The Weapons Must Be Declared To The Airline. This Is The Sixth Firearm Found At The Airport Security Checkpoint This Year. Four Guns Were Found At The Tri Last Year.