On March 24, 2015, a flight departed Barcelona without reaching its scheduled destination. Instead, the aircraft was involved in a devastating crash in the French Alps, killing everyone on board. Germanwings Flight 9525 was one of the most tragic incidents in air travel history. However, it wasn't until the cause of the crash was uncovered that the true gravity of this catastrophe came to light. What initially seemed like a dreadful accident turned out to be a horrific crime of epic proportions.
Click on the gallery to learn the details of what happened on that fateful day.