Editor Notes: Reconstructing the reported timeline of events: (1) in late March 2025, Michael Gann allegedly posted online suggesting the use of explosives in New York City; (2) in the following weeks, he reportedly used AI tools to research chemical components and built improvised explosive devices; (3) he allegedly tested and discarded some devices in public locations and stored others on a Manhattan rooftop; (4) on June 5, 2025, he was reportedly stopped by law enforcement while carrying explosives; (5) on July 23, 2025, he was indicted on federal charges.