A Mankato man is facing seven charges after authorities allegedly found a stolen gun and marijuana in his vehicle Monday. Authorities formally charged 26-year-old Trevon Wynn with two counts of possession of ammunition and firearms as a felon, two counts of being a felon in possession of a firearm, possession of burglary or theft tools, theft and possession of marijuana in Blue Earth County Court Wednesday. Authorities say Wynn was charged after allegedly stealing a gun magazine from a Mankato store and was taken into custody after he was found in a vehicle in the store parking lot.