Both pleaded guilty to the murders and the assault of sarah staudte. The tapes also include the interrogation of her daughter rachel, the third staudte child, who admitted to police that she and her mother hatched the plot to kill her father, though.
Rachel Staudte
Diane staudte and her daughter, rachel staudte, are serving life sentences for murdering two members of their immediate family and trying to kill a third with antifreeze.