NEW : Authorities charge Kristine Kirk with first -degree murder in his wife 's death . Denver police say he shot and killed his wife while she was on call to 911 . What role , if any , did legally purchased and consumed marijuana play in a husband 's alleged murder of his wife this week in Denver ? Richard Kirk told 911 operator husband was hallucinating after he had `` taken some marijuana '' Denver is first state in the nation to legalize the sale of recreational marijuana .
NEW : Authorities charge Kristine Kirk with first -degree murder in his wife 's death . Denver police say he shot and killed his wife while she was on call to 911 . Richard Kirk told 911 operator husband was hallucinating after he had `` taken some marijuana '' Denver is first state in the nation to legalize the sale of recreational marijuana .