You can have your opinion.... I am not sure the facts bear that view point out...
He and his wife and family were and are very honorable people... by making the above statement, you are by default trashing his families honor to feed a rumor... not even a rumor.. a half baked idea, feed by the internet...
If he was assassinated, do you think his children and wife would just sit quietly? Protective services do nothing? Local LE sit quietly? He did have heart issues... for years.