A business owner, 43-year-old Robert Sanford, has been arrested for allegedly threatening to shoot sheriff's deputies who responded to reports of gunfire in Santee. The incident occurred around 12:30 a.m. and deputies spotted a man apparently armed with a handgun entering a business. They surrounded the property and attempted to talk to him but he refused to leave the building. Eventually, they returned with a search warrant and arrested him on suspicion of negligent discharge of a firearm and threatening peace officers.