A Baldwin-Whitehall school custodian was arrested on nearly two dozen charges of child pornography.

Whitehall police said the investigation into 55-year-old Michael Siar began in April after learning that the National Center for Missing and Exploited Children received 13 cyber tips about him.

Whitehall police and FBI Pittsburgh's Child Exploitation and Human Trafficking Task Force carried out a search warrant at Siar's home in May, seizing several electronic devices with multiple images of child sexual abuse material. Police said the discovery led to more search warrants, and during a four-month forensic examination, they looked at 10 phones, a tablet and camera.

Police said Siar was immediately placed on administrative leave the day the search warrant was executed, and during the inves

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