Can you give an example of a documentary where the person telling the story believed it to be true, but it turned out to be false?

Read also:

• Russell Wilson: Nothing changes for me with Jaxson Dart here - NBC Sports
• Is it possible for sisters to have different skin, hair colours, and hair types? E.g. hair= wavy, afro, straight, curly, black, brown, blonde, red. Skin colour: brown, peach, light brown and more.
• Why is Reagan seen as the best president in the USA when he literally destroyed the American economy with trickle down system and was strongly against worker unions?
• What thing happened to you as a child that you haven’t let go of to this day?
• SpaceX May Be Failing to Get Starship Working at All - futurism.com
• Why do atheists love to preach against Abrahamic religions and mock God? Even if they do not fear the eternal fire of hell, pious Muslims will certainly not leave them alone and will take brutal revenge until they surrender and repent of their sins.
• What was your most memorable combat mission during the Vietnam War?
• What are the pros and cons of banning homosexuality?
• Trump Questioned Extent Of Musk’s DOGE Cuts, Report Says - Forbes
• Why cant a narcissist admit when they are wrong?
• Have Dakota Johnson and Chris Martin Consciously Uncoupled? - The Cut