Crowd Science Reveals Preventable Tragedy at Haiti's Citadelle Henry

The deadly crowd crush at Haiti's UNESCO-listed Citadelle Henry demonstrates that mass casualty events follow measurable physical laws—making them foreseeable and avoidable. By applying crowd science principles and analyzing safety solutions from other major heritage sites, this analysis establishes scientific grounds for determining legal and administrative accountability. Understanding these mechanisms is essential for preventing similar disasters at cultural venues and heritage sites worldwide.