In their latest investigation, London-based research agency Forensic Architecture reconstruct the Beirut port explosion that killed more than two hundred people, wounded over 6,500, and destroyed large parts of the city on the evening of Aug 4. Using open-source information including videos, photographs, and documents provided by the independent Egyptian online newspaper Mada Masr, project lead Samaneh Moafi and team provide a meticulous, evidence-based picture of the events and “the multiple layers of state negligence” at play that day.