Assuming they were actually killed and he didn't just die from the enlarged heart he had that was probably damaged from the major heart attack he had a little while earlier.
Also, Michael A. Cormier (a forensic technician) was not the coroner that performed the autopsy.
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TheRock ~ Slow dramatic zoom-pan. Doesn't phase the hooded man.
"You have issues." - MWC. Pot. Kettle.