The 2019 results were uploaded to DNA databases and “interpreted” by genealogists working on the case, Smith said. Based on the results, detectives were able to track down possible relatives of Zarelli on his mother’s side. More testing and investigation followed, which led to the identification of Zarelli’s mother.
Through a court order, detectives were then able to obtain from the state the birth, death and adoption records of all the children born to the mother between 1944 and 1956. The order yielded “responsive results:” the birth certificates of two children born to the mother and who were previously known to investigators, one of whom had provided a DNA sample, Smith said.
More than six decades since a child was found dead and abandoned in Philadelphia, police have identified "the Boy in the Box."
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The third result was the birth certificate of a boy born to the mother in 1953. On that birth certificate was the name of the child’s father. Based on research from detectives and genealogists, the detectives contacted possible relatives of the child on his father’s side, Smith said.
Zarelli’s father was identified after genealogists established DNA connections on both sides of the family that could point only to that progenitor, said Colleen Fitzpatrick, the founder and president of Identifiers International, which specializes in genetic genealogy.
