SACRAMENTO, Calif. (AP) — A Montana man is being held without bail after authorities say he tried to bring four guns past a security checkpoint at Sacramento International Airport.A Sacramento County sheriff's spokesman says 45-year-old Harold Waller was arrested Thursday afternoon after Transportation Security Administration officials found a gun inside one of his carry-on bags.Authorities say when TSA screeners began a more thorough check, they found he was carrying a loaded gun, and had two other loaded handguns packed in his carry-on bags.Deputies later searched Waller's car and say they found eight more guns, some of which were loaded.Waller, from Circle, Mont., was trying to board a US Airways flight to Phoenix.He was booked on suspicion of unlawful possession of a concealed firearm and other charges. It was unclear whether he has a lawyer.