UPDATE: The Sheriff has identified the woman as Ruby Bergold, 89.
As a result of the investigation, the sheriff's office has arrested the deceased woman's daughter Paula Bergold, 60, also of the town of Peshtigo.
The sheriff's office is working with the Marinette County District Attorney's office regarding formal charges of failure to report a death and hiding a corpse.
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The death of an elderly woman at a residence on Highway 64 in the town of Peshtigo is under investigation, according to the Marinette County Sheriff's Office.
An autopsy was conducted Thursday morning. The sheriff's office press release says this is an isolated incident and the public is not in any danger.
The matter remains under investigation by the sheriff's office and medical examiner.
