Killer admits to decades-old cold case slaying after investigators lean on new forensic evidence: officials

A antheral has been sentenced to situation aft pleading blameworthy to the four-decades-old acold lawsuit slaying of his woman successful Oregon. 

Mark Sanfratello, 73, was sentenced Tuesday to 20 years successful situation stemming from the decease of his girlfriend, Teresa Peroni, successful 1983, according to the Oregon Department of Justice. He pleaded blameworthy to first-degree manslaughter.

"For Teresa Peroni’s family, this has been a 43-year hold for an reply they ne'er should person had to hold for," Oregon Attorney General Dan Rayfield said successful a property release. 

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Mark Sanfratello, 73, was sentenced to 20 years successful situation Tuesday for the decease of his girlfriend, Teresa Peroni, successful Oregon successful 1983, according to the Oregon Department of Justice. (National Missing and Unidentified Persons System)

"Cases similar this punctual america of wherefore we don’t springiness up. It doesn’t substance however galore years person passed – if idiosyncratic took a life, we’re going to support moving until we tin clasp them accountable," Rayfield added.

Peroni, who was 27 years old, was past seen walking into the woods with Sanfratello, her fellow astatine the time, aft the brace attended a location enactment unneurotic successful Selma.

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Teresa Peroni, 27, was past seen walking into the woods with her fellow Mark Sanfratello aft attending a location enactment successful Selma, Ore., successful July 1983. (National Missing and Unidentified Persons System)

She was reported missing soon after, with authorities deeming her disappearance suspicious.

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However, investigators were incapable to unafraid capable grounds to bring charges against immoderate idiosyncratic astatine the time. 

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Mark Sanfratello was taken into custody successful Chico, Calif., successful July 2025. (Josephine County Sheriff's Office)

In 1997, a quality skull belonging to Peroni was recovered connected a adjacent backstage property, but nary further remains were discovered.

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Authorities decided to reopen the lawsuit successful 2024, successful which investigators "reinterviewed witnesses, collected caller DNA grounds and applied modern forensic techniques to physique a lawsuit against Sanfratello," prosecutors said.  

One twelvemonth later, successful July 2025, Sanfratello was taken into custody successful Chico, California and indicted connected first-degree manslaughter charges aft being extradited to Oregon, aboriginal pleading blameworthy successful Josephine County Circuit Court.

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Under the presumption of his plea statement with prosecutors, Sanfratello volition service a minimum of 10 years successful prison. 

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The Oregon Department of Justice and Sanfratello’s lawyer did not instantly respond to Fox News Digital’s petition for comment.