RedactedNarrative: Two people were doing tree work.  They asked the (neighbor) to use his canoe to cut down some limbs that were reaching over the water.  The neighbor unlocked the canoe for them.   Subject1 stood up in the canoe which caused it to flip.  Subject2 held onto the boat while Subject1 tried to swim back to shore.  Subject1 was seen going underwater and not resurfacing.