Police in Watertown are investigating the death of a Dodge County woman as a homicide. Twenty-eight-year-old Heather Stewart of Clyman was found dead in her car Friday in the parking lot of a former grocery store. Police did not say what the manner of death was. She had last been seen in Clyman last Wednesday. Police say her death was not a random act and the public is not at risk. Watertown Police are working with the Dodge and Jefferson County Sheriff’s Departments and the Jefferson County District Attorney’s Office on the investigation.