(Eugene, OR)  --  New details are coming to light regarding a Eugene man arrested following an online child prostitution sting.  KATU reports 40-year-old Nathan Duane Oeming was a volunteer for multiple groups serving children.  Oeming was a youth basketball coach at the Eugene Family YMCA.  He also volunteered for the charity Kids FIRST.  Police arrested Oeming Tuesday after he allegedly agreed to meet up with a 15-year-old girl for sex near a local high school.  The girl was actually a detective posing as a 15-year-old online.