A smiling James Craig appears in an online video promoting his Colorado dental practice, saying his approach “begins with sincerely listening to the patient and wanting to find out more about where they’re coming from and what they’re looking for and what they want.

The Colorado dentist suspected of poisoning his wife in order to start 'a new life' with a Texas-based orthodontist also has been accused of attempting to get a fellow inmate to kill a detective who investigated his wife's death.

A Colorado dentist accused of murdering his wife by poisoning her protein shake also allegedly plotted to kill an Aurora police detective who investigated the case, a department spokesman told CNN.

New charges filed against a Colorado dentist accused of fatally poisoning his wife’s protein shakes focus on his alleged efforts to kill a detective involved in the case, authorities said.

James Craig, a Colorado dentist accused of poisoning his wife’s protein shakes was hit with additional charges a day after his lawyer suddenly quit the case.

A Aurora, Colorado dentist who allegedly killed his wife with poisoned protein shakes has been charged with trying to plot the murder of a police detective investigating his case. Prosecutors in Colorado’s 18th judicial district filed an amended complaint last week requesting to charge James Craig with solicitation to commit murder and solicitation to commit perjury.