Roger and Mary Brumback, both 65, were found dead at their home early Tuesday by officers responding to a welfare call.
Police are saying little else about the case.
They do not plan to release additional information, police said, in order to protect the investigation, which is being led by a homicide unit.
However, they have said a cold case unit is assisting to determine whether there is a connection between the case and the unsolved killings of Shirlee Sherman and Thomas Hunter.
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