Colorado Dentist Accused of Researching Ways to Poison Wife, Possible Motive to Pursue Affair

James Craig allegedly researched poisoning his wife Angela and making it look like natural causes.
Evidence suggests Craig ordered cyanide, arsenic, and other poisons to lace Angela's protein shakes.
Police believe Craig wanted to poison Angela to pursue a relationship with another woman.
Angela experienced mysterious symptoms and was hospitalized before dying of cyanide and drug poisoning.
Craig claims he is innocent, but prosecutors allege there is evidence to prove premeditation and go to trial.