RedactedNarrative: Bystanders near the lake heard a kayaker screaming for help before disappearing under the water.  Police recovered a backpack that belonged to the kayaker containing alcohol and narcotics.  The kayak was also recovered and it was found to have a hole in it.  The victim had been wearing a PFD but slipped off when he was in the water.  The victim was under the influence of both alcohol and cannabis at the time of the accident.