SIOUX FALLS, S.D. (KELO) -- A 42-year-old man was arrested, accused of stealing from a grocery store and threatening the manager. SFPD looking for 2nd suspect in Dunham Park shooting Christopher McNab is facing a list of charges including robbery and aggravated assault. The store is in the area of 34th Street and Louise Avenue. Authorities say McNab got in through a back door of the store and took some items. McNab then threatened a manager and confronted him with a hammer. Police say McNab also threw eggs at the manager and others as he was leaving.