 In August 1986, Dahmer was arrested for masturbating in front of two 12-year-old boys as he stood close to the Kinnickinnic River.He initially admitted the offense and was again charged with indecent exposure, but quickly changed his story and claimed he had merely been urinating, unaware that there were witnesses.The charge was changed to disorderly conduct and, on March 10, 1987, Dahmer was sentenced to one year of probation, with additional instructions he was to undergo counseling.