After releasing still images of the suspect to the public, detectives were able to identify her as Grace Brown.
The woman was contacted by investigators, and: "Ms. Brown along with her attorney came to the station where she identified herself as the person urinating on the potatoes," police said, in a media release.
The Allegheny County District Attorney's Office was contacted and charged Brown with Criminal Mischief, Open Lewdness, Disorderly Conduct and Public Drunkenness.
In a statement, Walmart said it was working with police, and that the safety of its customer is a "top priority." The statement continued: "This type of obscene conduct is outrageous and we immediately disposed of the affected products and sanitized the area to ensure its cleanliness and safety for our customers."
