Federal authorities accused Colin Gruenke, 38, of possession and distribution of child pornography. Gruenke also refereed youth hockey. He's been placed on leave.

An Illinois state trooper who also served as a youth hockey referee was arrested on child pornography charges this week while at work at the agency’s Des Plaines headquarters, authorities said. Colin Gruenke,

An Illinois State Police trooper faces charges of distributing and possessing child pornography, according to federal court documents filed Thursday.