A former school principal from Lacey Township pleaded guilty Monday to possessing child pornography, U.S. Attorney Alina Habba said.

John Mangan, 78, of the Lanoka Harbor section of the township, faces 10 to 20 years in prison and a fine of $250,000 when he is sentenced Oct. 21.

On Oct. 29, 2024, agents with U.S. Homeland Security Investigations searched Mangan’s home and found an electronic device containing more than 250 images of children being sexually abused, the U.S. Attorney's Office said in a news release.

Mangan was previously convicted of sexual offenses involving minors, including a conviction for sexual assault against a minor for conduct that occurred while Mangan was a school principal in Ringwood, Passaic County, and a prior federal conviction for possession of child porn

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