A forensic psychologist testified that Lindsay Clancy reported hearing a male voice commanding her to kill her children before the Duxbury murders.
https://www.foxnews.com/us/lindsay-clancy-described-male-voice-ordering-kill-children-kill-herself-testimony
https://www.foxnews.com/us/lindsay-clancy-described-male-voice-ordering-kill-children-kill-herself-testimony