RedactedNarrative: Vessel #1 was operating in reverse due to a mechanical problem.  Water came over the stern causing the vessel to sink.  The bow of the vessel was protruding out of the water. Victim #1 was hanging onto the bow and was rescued by a witness. Victim #1 was transported to MacLaren hospital for severe hypothermia.  Victim #2 had gone below the surface and was considered missing.  Sheriff dive team located victim #2 approximately 10 feet from the vessel n the bottom of the lake and was pronounced deceased by Medical Examiner. Victims #1 and #2 were not wearing life jackets. 