A Valley mother pleaded not guilty Monday of smothering to death her 6-day-old baby.
Nina Koistinen, 36, was arrested Thursday, April 25, in connection Maya Hope Koistinen's death April 8.
Her husband said she suffers from severe mental illness. Brad Koistinen recently told CBS 5 News his wife has been in and out of mental hospitals during their 15-year marriage.
After her arrest, several former members of the Phoenix Laestadian Lutheran Church in Cave Creek came forward with serious concerns about one of its doctrines.
A former member said its strict anti-birth control doctrine might have played a role in Koistinen's mental breakdown.
The member, who wished to remain anonymous out of fear of retribution, said it boils down to brainwashing.
Nina Koistinen's next court date is June 21.
Stay with cbs5az.com and CBS 5 News for updates on this developing story.
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