https://www.nps.gov/yell/learn/news/16032.htm RIP But let this also be a lesson to people who do this stuff. Stay where they tell you stay for YOUR safety.
That was my first thought as well, but honestly after not too long he probably went into shock and couldn't feel a thing. At least that's what I hope for their sake.
There was a similar incident in Maui about 5 years ago. A man was too near a blow hole as a wave hit him from behind and pushed him into it.
As I say about LSD...just stay inside and it will be a good trip. Go outside, you get killed walking off a cliff, or busted for acting like an ass. Stay in your home.
No murder inquiry? Not like this is an ordinary or likely way to die, barring drugs or stupidity. Murder, or manslaughter seems the most likely cause. And 2 football fields off the boardwalk is not just "walked off the boardwalk and slipped in".