The lawsuit said ChatGPT was used by the shooter as a trusted confidante, collaborator and ally, and it behaves willingly to plan a mass casualty event.

The family alleges the firm knew the perpetrator was planning a "mass casualty event" but failed to contact the authorities.

The lawsuit said ChatGPT was used by the shooter as a trusted confidante, collaborator and ally, and it behaves willingly to plan a mass casualty event.

Eight people were killed by 18-year-old in Canada, who had described violent scenarios involving guns to ChatGPT