Further to #21, Jeffrey Marreel [LINK]
Ottawa Citizen (25 June 2008) - ...An autopsy performed yesterday was inconclusive and further forensic tests have been ordered to assist in determining the cause of death. [LINK]
A hypothetical taser-death would leave no evidence. [LINK] [LINK]
Dr. Zian Tseng, a San Francisco cardiologist and electrophysiologist, said, "If there's a person that dropped dead suddenly after Taser application and you can find nothing else on the autopsy, I would venture to say that's due to arrhythmic death." [LINK]
So, in addition to looking for clues, you need to be prepared for the situation where, ahem, you don't have a clue.
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