I'm pretty sure this isn't clear evidence because there is no proof it was actually him that died, the "User Fatality" caption shows up when anyone close to you dies and the range is quite big so it could've been someone else.

I'm pretty sure this isn't clear evidence because there is no proof it was actually him that died, the "User Fatality" caption shows up when anyone close to you dies and the range is quite big so it could've been someone else.