A Mississippi man who had just landed at Boston's Logan International Airport for a trip to Maine was arrested Thursday afternoon after loading rounds into his pistol curbside, Massachusetts State Police said. According to state police, the man, identified as Zachary Carden, 22, of Vicksburg, was placed under arrest for taking his gun out of a previously checked luggage bag curbside at Terminal B. Police said Carden landed Thursday evening, retrieved his luggage, and while he was on the sidewalk, removed the pistol and began loading rounds in it while in view of numerous other travelers.A state police spokesperson said several of the travelers immediately called 911. The man was placed under arrest by state troopers a short time later. According to police, the man did not have any criminal intention, but chose a very poor time to check on his firearm. Carden was charged with possession of firearm without a firearms identification card, possession of ammunition without a firearms identification card and disturbing the peace. Police said Carden was licensed in a state with a non-reciprocal license to carry laws and was going to drive to Maine.