Phoenix police have arrested a 36-year-old mother of nine on suspicion of first-degree murder in the suffocation death of her newborn daughter. At this point, nothing seemed out of the ordinary," Thompson said. "The information the officers received initially was that the mother had taken some medication and had fallen asleep." According to the police report, an autopsy found signs of possible suffocation. But a review of past Child Protective Services records indicated Maya's death might not have been an accident. http://www.kptv.com/story/22089722/woman-arrested-in-suffocation-death-of-6-day-old-daughter Police said Nina Koistinen told them she smothered Maya because she thought she had too many children and that she was jealous of the attention her husband was giving the newborn.