SIOUX FALLS, S.D. (KELO) – Sioux Falls Police are investigating a deadly incident that happened Saturday morning. Officers were called to a home in the 4900 block of South Shamrock Circle in southwest Sioux Falls around 8:15 a.m. for a reported stab/gunshot call. When they arrived, they found an 8 0-year-old man with serious injuries and [...] ...read more read less