Lawsuit claims ChatGPT helped a woman plan her husband's poisoning in 2025. A lawsuit filed by a North Carolina man alleges that OpenAI’s ChatGPT provided personalised guidance to his wife on how to poison him, allegedly helping her plan an attempt on his life. In the lawsuit, Gates claimed he started to suspect his now-estranged wife, Cheryl Gates, was trying to poison him after he found a handwritten note with a list.