The final investigation into the helicopter crash that killed Iranian President Ebrahim Raisi and several officials on May 19 has concluded that challenging weather conditions, specifically a sudden formation of dense fog, were the primary cause of the accident. The report, released by Iran's Armed Forces General Staff, found no evidence supporting theories of sabotage or mechanical failure, dispelling earlier speculation regarding foreign involvement. The investigation examined various factors, including maintenance records and flight paths, confirming that everything was in compliance with standards. Weather conditions on the day of the crash matched forecasts, and the helicopter's loading was appropriate for its flight capabilities. This tragic incident occurred in a remote mountainous area near the Azerbaijan border, raising questions about the safety protocols in challenging climates. The findings aim to provide closure amidst months of speculation surrounding the crash.