MICHAEL RUIZ: Cold case DNA unmasks 'Montauk Mary' as cops probe link to Jersey Shore 'Thrill Killer'

Sofia Margherita Marrone, identified through DNA analysis decades after her death, was a victim found in Montauk, New York. Law enforcement connected her case to Richard Biegenwald, a convicted killer linked to murders in the Jersey Shore area. Marrone's remains were previously unidentified and became known as "Montauk Mary" until the DNA match confirmed her identity.

• Fox News — MICHAEL RUIZ: Cold case DNA unmasks 'Montauk Mary' as cops probe link to Jersey Shore 'Thrill Killer'

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