RedactedNarrative: The victim was on board a 17ft bass boat with one unknown male subject.   It was reported that the operator and passenger both fell out of the boat, going underwater and disappearing.   The operator's body was found floating down river by divers.  The other unknown subject has yet to be found.  What caused the men to fall out of the boat is undetermined.  Cause of death of operator was determined to be drowning.
NameOfBodyOfWater: Calumet River
NearestCityTown: Chicago                       