Marana Man Sentenced to 12 Years for Assaulting Federal Agent, Weapons Crimes Posted on TUCSON, Ariz. – Chris Paul Snow, 68, of Marana, Arizona, was sentenced Friday by U.S. District Court Judge Jennifer G. Zipps to 144 months in prison for assault of a federal officer with a deadly weapon, unlawful possession of a destructive device, possession of a firearm and ammunition by a convicted felon, and use of a firearm during a crime of violence. On August 3, 2018, law enforcement responded to a 911 call reporting a shooting incident at Snow’s residence in Marana. While investigating the incident, officers found several rounds of ammunition, loaded firearm magazines, and a live grenade in Snow’s bedroom. Snow, a convicted felon, was indicted in federal court for unlawfully possessing the grenade and ammunition, and the court issued a warrant for his arrest.