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Cyanide poisoning was central to this case because that is what killed Rosemarie Essa. She had taken a calcium pill that was laced with cyanide. Jurors got a lesson on all things cyanide. On the stand was Don Whitworth, a cyanide expert for DuPont chemical company. He confirmed that cyanide can be found everywhere in nature including in the human body. According to a toxicology report, Rosemarie had a deadly amount of potassium cyanide, which ended her life.
Cyanide poisoning was central to this case because that is what killed Rosemarie Essa. She had taken a calcium pill that was laced with cyanide. Jurors got a lesson on all things cyanide. On the stand was Don Whitworth, a cyanide expert for DuPont chemical company. He confirmed that cyanide can be found everywhere in nature including in the human body. According to a toxicology report, Rosemarie had a deadly amount of potassium cyanide, which ended her life.