(WPXI) – The fifth gun in the last week was found at a security checkpoint at Pittsburgh International Airport. According to a release from Allegheny County police, TSA officers saw a Sig Sauer 9 mm handgun carefully concealed in a passenger’s duffel bag. The officers told Allegheny County police that the firearm had been disassembled and separately wrapped inside various pieces of clothing within the duffel bag. Police determined that the passenger, identified as 20-year-old Shane Woods from Lancaster, California, did not have a concealed firearm permit. The FBI was notified and is involved in the investigation. Woods has been charged with firearms not to be carried without a license. He will be taken to Allegheny County Jail for arraignment.