[DAC21]

“His text messaging could very easily have been used by somebody else while he was lying on the floor’

Autopsy might be able to determine if he was already dead or incapacitated

[Joe 6-pack]

"Autopsy might be able to determine if he was already dead or incapacitated"

Mind you, I'm not endorsing that theory, just floating the possibility, or thinking "aloud" as it were. It seems to me, if it were some type of intentional terror some group would have claimed responsibility, or there would have been a coordinated effort so it was obvious (i.e., 9/11 or 7/7).