A Deerfield man who served as an Illinois State Police trooper and refereed youth hockey faces federal child pornography charges, authorities said.

Colin Gruenke, 38, is charged with possession and distribution of child pornography. He is on unpaid administrative leave according to an ISP spokesperson who said the department is conducting an internal investigation and cooperating with federal partners.

According to the complaint, Gruenke used several mobile messaging app accounts to share images depicting child pornography.

Federal officials on Wednesday executed a search warrant of Gruenke when he was at the state police office in Des Plaines, according to authorities.

At the time, they recovered his iPhone which they say had images depicting nude children. Agents subsequently recover

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