Complex sentence: Held in Orillia, Ontario, Shaikh was the "military trainer" at the camp, and taught gun safety to the campers with a 9 mm handgun Wark, Wesley.
Split into simpler sentences: Held in Orillia, Ontario, Shaikh was considered the "military trainer" at the camp. Shaikh also taught gun safety to the campers with a 9 mm handgun Wark, Wesley.