The heirs of an 83-year-old woman who was killed by her son inside their Connecticut home have filed a wrongful death lawsuit against ChatGPT maker OpenAI and its business partner Microsoft, claiming the AI chatbot amplified his "paranoid delusions." 

Stein-Erik Soelberg, a 56-year-old former Yahoo executive, spoke to OpenAI’s popular chatbot before the murder-suicide involving Suzanne Eberson Adams in Old Greenwich in early August, Fox News Digital previously reported, citing mental health professional and did not decline to "engage in delusional content."

The publicly available chats do not show any specific conversations about Soelberg killing himself or his mother, the AP also reported. The lawsuit says OpenAI has declined to provide Adams' estate with the full history of the chats. 

OpenAI is also fighting seven other lawsuits claiming ChatGPT drove people to suicide and harmful delusions even when they had no prior mental health issues. Another chatbot maker, Character Technologies, is also facing multiple wrongful death lawsuits, including one from the mother of a 14-year-old Florida boy. 

Microsoft did not immediately respond Thursday morning to a request for comment from Fox News Digital. 

Fox News Digital’s Louis Casiano and The Associated Press contributed to this report.