The Kenner Police Department has arrested Cayden Madison for armed robbery following a "private gun trade" that turned into an armed robbery. The victim had purchased a 9 mm handgun and arranged a firearm trade with a former high school acquaintance. During the exchange, Madison allegedly robbed the victim of all three guns. Police found the victim's gun and another stolen firearm in the residence. Additionally, Madison was charged with armed robbery, theft of a firearm, and possession of a stolen firearm.