And so is the math teacher at Schaumburg Christian...

A math teacher at a northwest suburban Christian school masturbated behind a podium while teaching his class, according to police, who said he may have been doing it for the last 10 years. Schaumburg police and the Cook County State’s Attorney’s Special Prosecution/Mass Molestation Unit have charged Paul A. LaDuke, 75, of Hanover Park with sexual exploitation of a child.... Police interviewed several who said that on Friday, while seated behind his podium [at Schaumburg Christian School], LaDuke unzipped and lowered his pants, then masturbated while students were in the classroom. Investigators believe this behavior occurred multiple times per year over the course of 10 years or longer while LaDuke was teaching at Schaumburg Christian.

Schaumburg Christian isn't just one of those schools where the kids are allowed to pray, it's one where the kids need to pray. ("Dear God, please make our math teacher stop masturbating behind that podium.") And police think this was going on for 10 years? How do they know? Were there other witnesses over the years who didn't go to the police? Or are the police just assuming this had been going on for a decade? Or did police find... eesh... 10 years worth of evidence behind that podium?