By Stephanie Fryer May 5, 2021 | 11:50 AM BARABOO, Wis. âDetectives have identified a person of interest in connection to a homicide at Devilâs Lake State Park last fall, but they are still needing more information from the public to solve this case. According to a release by the Sauk County Sheriffâs Office, witnesses remember seeing a man who fell down several times while running âfranticallyâ and âout of controlâ in the park. Witnesses said he was not in âstandard running apparelâ and wore darker colored pants and a dark colored top, possibly a hooded sweatshirt. They also described him as being around 6-feet tall with a slender to average build.