This bizarre case was on today's Quora.
I know it's rather old, but I felt it merited a place here:
On July 9, 1993, Toronto lawyer Garry Hoy was doing his favorite party trick: hurling himself at his office's windows to show their strength. But this time, his stunt failed.
In 1993, lawyer Garry Hoy fell 24 floors to his death while demonstrating the tensile strength of his office windows to a group of visiting law students. Far from being an unusual incident, body-checking window safety was his signature - and fatal - move.
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https://en.wikipedia.org/wiki/Death_of_Garry_Hoy