From Inside Edition.

Exclusive video shows convicted killer dentist James Craig mixing up a poisonous protein shake in his kitchen. His victim was his wife of 23 years. Angela Craig was hospitalized three times in ten days with symptoms including headaches, vomiting and dizziness. In a video she complained to James that he wasn’t being more helpful trying to reach a diagnosis. She did not know her cheating husband was secretly poisoning her protein shakes with cyanide and arsenic.