Oh for sure, it shouldn't be illegal. I'm Australian, it's not actually illegal to use or be on drugs here. But obviously possession, manufacture, selling etc is illegal.
But I believe in most states in the US it is illegal to use/be under the influence of drugs? Someone chime in if I'm wrong
That's not even that hot, pretty wild you can die from whatever heat related issues he had in just 5 hours.
Pre-existing conditions maybe?