RedactedNarrative: Operator of vessel #1 said he and 6 others were boating and drifting on the Clinton River when one person went missing.  He believed one of the passengers "fell into the water" but wasn't sure and he believed others on his boat went in to help.  He said that he did not anchor the vessel and it started to drift.  He said another passenger swam after the boat to board it and turn it around to gather the rest of individuals in the water and also another vessel came to help.  It is unclear how the deceased went overboard.  Upon speaking with the persons on board vessel #1 it was determined that all passengers appeared to be under the influence and the vessel was littered with numerous empty beer cans. Passenger drowned and there were no other injuries reported.  None of the passengers on vessel #1 were wearing life jackets.