James Craig, a former Colorado dentist, will spend the rest of his life in prison after he was convicted of murdering his wife by methodically poisoning her.

Prosecutors claimed James Craig purchased arsenic and cyanide and secretly dosed his wife using protein shakes.

James Craig was convicted of first-degree murder in the 2023 death of his wife, Angela Craig. Prosecutors say he served her protein shakes laced with arsenic and later poisoned her with cyanide at a hospital.