Not one, but four sisters, infant to toddler, died of mysterious causes: coroners in Texas and Iowa were baffled. The mother (most likely the perp) is now dead. So is the father. Justice will never be served. Mental illness years ago was so often misdiagnosed or undetected. Actually that's still true today. See Jody Ewing's case summary at the ICC site: https://iowacoldcases.org/case-summaries/nitcher-sisters/