(PORT HURON TOWNSHIP) -- The St. Clair County Sheriff's Office is still seeking leads regarding several home invasions in Columbus and Casco Townships. Over the past six weeks, there have been at least five homes broken into. Two were located on Lindsey Road and one each on Big Hand, Kronner, and Frith Roads. Investigators believe they have two suspects narrowed down--one of them is a white man with a thin build and short brown hair. A suspect vehicle is described as a dark colored, full-size pickup. The make and model unknown. Anyone with information is asked to contact Detective Stacy Tunich at 810-987-1729.