You think his grieving family is reading this thread? No? Then why do you have a problem discussing it? ANd did you read that there are methods to kill people that are undetectable? They really exist? Not fantasy.
Let's wait for the autopsy report. We do know that his business partner said he had a serious heart condition that required hospitalization just last Spring. We do know that he collapse with what looked like a massive Myocardial Infarction and we also know that the family, his company and the county all reported that he died from apparent natural causes.
Give the conspiracy theories a rest. Let Andrew rest. He deserves the rest he was a tireless warrior for the cause.