Bradley Robertson

A Palatine High School teacher’s aide has been charged with possessing and sharing child sexual abuse material online, prosecutors said Friday.

Bradley Robertson, 41, is charged with eight counts of reproduction of child pornography with a victim under 13 and possession of child pornography, according to the Cook County State’s Attorney’s office.

Authorities said Robertson used the instant messaging application Kik to upload or share at least three files depicting child sexual abuse material on his cellphone, and discussed sharing images with other users of the app.

According to court documents, investigators received a tip from the National Center for Missing and Exploited Children earlier this year about child pornography used on Kik. Investigators executed search w

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