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:

• If atheists are so positive that there is no God, where is their proof that He does not exist?
• How would you describe modern day Russian society, beyond just politics?
• Can the belief of not worshipping Christ held by Jehovah's Witnesses be disproven using scripture alone?
• I’m British and I'm hella bummed about it. Wish I was American or even Canadian, ’cause let’s be real, Canada’s gonna end up part of the States anyway. What should I do?
• How do you say "I don't speak French yet, but I hope to speak it well one day. It would be a pleasure to learn French with you. Would you like to teach me French?" in French? Could you add audio?
• What is your review of the Redmi 9A? Is it worth buying?
• What are some mind-blowing facts about Michael Jackson?
• What is the happy reality of our generation?
• Do dogs feel love?
• Have you ever had a scary dream about a loved one or friend soon after their death?
• Since the Brits can't steer their oil tanker, what makes them think they can take on Russia?