https://disinfowatch.org/disinfo/canadian-killed-sumy-false/
Interesting article claiming that this Canadian officer totally wasn't owned by a Russian FAB-1500 in Sumy. Instead it goes on to say he actually died of "medical complications" while stationed in Casteau, Belgium. It strangely doesn't specify what those complication were. Not sure what happened one way or the other, but I do suspect that a patient catching a glide bomb would in fact present with some complications.
Funeral at sea