Dentist accused of fatally poisoning wife with cyanide-laced shakes lied about his marital status: mistress

The woman who was dating a Colorado dentist when he allegedly poisoned his wife with cyanide-laced protein shakes to be with her said he had lied about his marriage.

In her first interview, Karin Cain, an Austin-based orthodontist, told ABC News that James Toliver Craig, 45, had duped her.

“If I had known what was true, I would not have been with this person,” Cain said.”I didn’t willingly have a relationship with someone who was in a marriage.”

The clip aired Wednesday morning the same day that Craig was due in Arapahoe County District Court for prosecutors to try to persuade a judge that there was enough evidence to try him for first-degree murder. 

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He is accused of killing Angela Craig, his wife and the mother of his six children, with cyanide and arsenic, which caused her to suffer a seizure on March 15 that left her brain-dead. She was later removed from life support.

Cain said she met Craig at a dental conference in late February. The mother of two was in the midst of a divorce, and Craig told her he was too. 

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“He told me they hadn’t been living together. He had an apartment,” she said.

Days later, he started poisoning his wife of 23 years, according to an arrest affidavit.

“There was a lot of just feeling like so connected,” said Cain, who added that they had never consummated their romantic relationship. 

One day after Angela Craig’s seizure from a mysterious illness that initially baffled doctors, Cain reluctantly flew into Denver for a preplanned trip. 

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She suggested canceling the jaunt, but her new boyfriend told her he could use the support.

They had dinner twice, but Angela Craig’s dire condition did not appear to trouble the dentist.

“He at no point seemed stressed or anxious,” she told ABC News. After she read the detailed arrest affidavit, Cain said she was stunned. 

“There is no way I’m motive. There has been no planning a future together,” she recalled of her thoughts. However, the timeline in the affidavit suggested otherwise.

Cain, whose romance with Craig lasted a total of three weeks, now finds herself in the middle of a murder investigation. 

Angela Craig had repeatedly gone to the hospital in the prior weeks for unexplained symptoms, including severe headaches and dizziness. 

Police launched an investigation after James Craig’s business partner and friend, Ryan Redfearn, contacted authorities after a can of potassium cyanide was delivered to their dental practice.

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Investigators soon accessed Craig’s browsing history on his work computer, which revealed searches for “How many grams of pure arsenic will kill a human?” and “Is Arsenic Detectable in Autopsy?”

They also found several orders he had allegedly placed for various poisons.

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An attorney for Craig did not immediately return a request for comment.

Craig is being held in jail in lieu of a $10 million bond.