The New York Times
By Gabriel J.X. Dance
April 29, 2026
One evening last summer, Dr. David Relman went cold at his laptop as an A.I. chatbot told him how to plan a massacre.
A microbiologist and biosecurity expert at Stanford University, Dr. Relman had been hired by an artificial intelligence company to pressure-test its product before it was released to the public. That night in the scientist’s home office, the chatbot explained how to modify an infamous pathogen in a lab so that it would resist known treatments.