Who Killed Helen Petrilyak? | 1970 Hazleton PA Cold Case
In August 1970, a NEPA native left Brooklyn for a weekend with family in her hometown of Tresckow, Pennsylvania. Four weeks later, a workman found her remains at the Jeanesville Slate Bank, a mile and a half from her father’s front door. Helen Petrilyak’s death has been described as one of Luzerne County’s oldest unsolved…