Fourteen-year-old Sewell Setzer III loved interacting with Character.AI's hyper-realistic chatbots—with a limited version available for free or a "supercharged" version for a $9.99 monthly fee—most frequently chatting with bots named after his favorite Game of Thrones characters. Within a month—his mother, Megan Garcia, later realized—these chat sessions had turned dark, with chatbots insisting they were real humans and posing as therapists and adult lovers seeming to proximately spur Sewell to develop suicidal thoughts.