My guess is heart attack.Carrier will be transported to Concord, where an autopsy will be performed to determine the cause of death.
https://tinyurl.com/MyFDresults
A vigorous five-mile walk will do more good for an unhappy but otherwise healthy adult than all the medicine and psychology in the world. ~Paul Dudley White
He's in our hearts... let's hope he died doing what he Loved! Warm thoughts to his family!
"Reach Farther" ~ SOLACE
And I was in the immediate area that afternoon. Must have just missed the discovery