CODINGTON COUNTY, S.D. (KELO) -- The Codington County Sheriff's Office is asking for the public's assistance in locating a 14-year-old from Wallace, SD. David Richardson was last seen at his residence in Wallace on June 29 around 11:30 p.m. He was last seen waring a a black long sleeve shirt and black shorts. If you have any information regarding David, call the Codington County Sheriffs Office at 605-882-6280, send us a message or use our tip line- https://codingtonsheriff.com/tip-line/