DNA Links Suspect to 1970s Cold Case Murders in Pennsylvania
DNA testing has confirmed that James Richard Clark Sr. was a serial killer responsible for two murders in Washington County, Pennsylvania during the 1970s. Authorities are investigating the possibility of more victims as the case remains open.
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Local coverage
DNA Links Suspect to 1970s Cold Case Murders in Pennsylvania
DNA Links Suspect to 1970s Cold Case Murders in Pennsylvania
DNA testing confirms 'serial killer' in Washington County, Pennsylvania, in 1970s: State police
DNA testing confirms 'serial killer' in Washington County, Pennsylvania, in 1970s: State police
DNA testing confirms 'serial killer' in Washington County, Pennsylvania, in 1970s: State police
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