Farrah Nasser had three kids in her car when a conversation with AI chatbot Grok took a dark turn. Nasser drives a Tesla, which began rolling out its Grok AI conversational assistant feature in July 2025. She first noticed the feature Oct. 16 while driving to her 10-year-old daughter’s birthday dinner. Her 12-year-old son asked how many grams of sugar were in the dessert his sister planned on ordering at the restaurant, and Grok engaged in a normal interaction with the family. But the next day, ...