A search warrant was executed at the Yeadon home of 60-year-old Allan Wickersham on August 26.
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During an interview with detectives, Wickersham admitted to possessing child pornography.
Several electronic devices were seized, including a desktop computer and laptop.
Officials say a forensic examination of the computers and devices revealed more than 5,000 images.
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Wickersham is charged with attempted dissemination of child pornography, sexual abuse of children and criminal use of a communications facility, all felonies of the third degree.
He was arraigned and bail was set at $400,000 unsecured.
His preliminary hearing is scheduled for December 20.