RedactedNarrative: Victim jumped into Clinton River to go for a quick swim while boat was drifting. Victim asked operator if boat was in neutral prior to climbing onto swim ladder.  Operator stated that it was in neutral.  Victim was lacerated in the left thigh/knee area by the rotating propeller.  Victim had been drinking and was not wearing a life jacket.  No citations were written.   No other injuries were reported.