PHILADELPHIA (CBS) – A Delaware County man was sentenced to prison for allegedly manufacturing sexually explicit images of his childhood friend’s 7-year-old daughter.

A judge sentenced Matthew Maffei, aka “Uncle Matt,” of Aston, Delaware County to 90 years behind bars.

Authorities say Maffei sexually abused the 7-year old child in the victim’s own home, as her parents slept in the next bedroom. He also forced the victim’s 5-year old brother to witness his abuse of the 7-year old on one occasion, and threatened to kill both children if they told their parents what Maffei had done, investigators say.

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According to the U.S. Attorney’s Office, Maffei also defecated on the girl’s face.

Calling the sexual assaults “unspeakable,” on Tuesday, the District Court imposed a prison sentence of 90 years, asking the parents to assure the victim and her brother that “this defendant will never in this lifetime be released from custody.”

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