Woman pleaded guilty to fatally poisoning her husband and son

2 years 11 months 3 weeks ago Thursday, January 21 2016 Jan 21, 2016 Thursday, January 21, 2016 2:06:15 PM CST January 21, 2016 in News
By: The Associated Press

SPRINGFIELD (AP) — A southwest Missouri woman pleaded guilty to fatally poisoning her husband and son with antifreeze and attempting to kill a daughter over a 14-month period.

The Springfield News-Leader reported 53-year-old Diane Staudte pleaded guilty Thursday to one count of first-degree murder, one count of second-degree murder and one count of first-degree assault.

Under the plea deal, Staudte, of Springfield, will avoid the death sentence. She faces a life prison sentence.

A medical examiner initially ruled her husband's death in April 2012 was from natural causes and her 26-year-old son died of prior medical issues in September 2012. Those deaths were re-examined after Staudte's 24-year-old daughter, who had been poisoned, was hospitalized in June 2013.

Another daughter pleaded guilty earlier to helping her mother with the poisonings.

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