SIOUX FALLS, S.D. (KELO) -- Search crews in Walworth County have found a vehicle that went through the ice on the Missouri River, near Akaska. Kent Kramer and Brad Schilling have been missing since last week, but at this point, searchers haven't been able to determine if their bodies are inside. 2 dead after drowning in Walworth County With current conditions, the search is on hold. It will resume when weather conditions improve.