87-year-old Wisconsin couple missing. Last seen at 3 p.m. on Thanksgiving in Black Earth

An 87-year-old Wisconsin couple went missing about 3 p.m. Thursday after attending a family gathering on Thanksgiving in Black Earth.

Donald E. Soper and his wife, Colleen A. Soper were last seen in the 5200 block of John Wilkinson Road. Colleen has dementia. Donald is an insulin-dependent diabetic and can become disoriented when his blood sugar is not properly managed.

Donald was driving a black 2008 Dodge Caliber with Wisconsin plates. He was taking Colleen on a short drive back to an assisted living facility the Village of Cross Plains.

Donald is 6-foot-1 with short, grey-blond hair and glasses. He was wearing a black leather jacket among other clothing.

Colleen has short grey hair and eye glasses. Her outfit included a red leather jacket. They had a GPS tracker, but it was not working as of 7:30 Thursday evening.

The Dane County Sheriff's Office is investigating. Anyone with information can contact the department at 608-255-2345, or Detective Todd Dosher at 608-575-6598.