MONROE (WWJ/AP) – The owner of a former Monroe County music store who is charged with sexually assaulting two teenage boys has been convicted in a related child pornography case.

Robert Stumpmier, 51, faces sentencing July 30 after being convicted this week of 12 felony charges, including six counts each of possession of child sexually abusive materials and using a computer to commit a crime.

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The South Rockwood man owned Power Play Music in Monroe and was the founding member of a 4-H music club. He was charged in the sexual assault case in 2014 and is awaiting trial. Authorities have said assaults took place either at the music shop or during a trip. Investigators say the sexual assaults followed months of “grooming behavior.”

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The child pornography charges resulted from the sexual assault investigation, according to the Monroe News.

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