10 Film Documentaries That Accidentally Uncovered Major Scoops

10. Gimme Shelter - The Death Of A Young Rolling Stones Fan

The original idea for 1970's Gimme Shelter was to follow rock legends The Rolling Stones through the final stages of their 1969 United States tour, showing the band performing at Madison Square Garden, and the Altamant Speedway.

The filmmakers probably weren't expecting the finished documentary to be serious or shocking in any way, but when events took a disturbing turn at the aforementioned Altamant concert, that's exactly the result they got.

While the Stones were performing their track Under My Thumb, 18-year-old audience member Meredith Hunter attempted to barge his way onto the stage, only to be knocked aside by someone who was guarding the band. In response, Hunter pulled out a revolver, only to be stabbed - and killed - by one of his attackers.

By chance, this entire incident was captured by the documentary crew.

When the final product was screened for audiences, Hunter's stabbing quickly became the most talked-about scene in the film, completely changing the much lighter documentary the filmmakers had originally intended to make.