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:

• Shane Bieber Suffers Potential Setback In Elbow Rehab - MLB Trade Rumors
• What’s one positive trait you’ve gained because of BPD?
• The Full ‘Squid Game’ Season 3 Trailer Teases a Wild and Violent End - Gizmodo
• Police take back statement dismissing hate crime in gay actor’s killing - The Washington Post
• Top 1% Biotech, A Merck Rival, Plummets On A Surprise Failure - Investor's Business Daily
• Why would a person always be so tired?
• What is the reason behind some people wearing trunks instead of speedos when swimming in pools?
• Superbugs thrive as access to antibiotics fails in India - BBC
• Founder of Cryptocurrency Payment Company Charged with Evading Sanctions and Export Controls, Defrauding Financial Institutions, and Violating the Bank Secrecy Act - Department of Justice (.gov)
• What can anal toys bring to straight men?
• I took a video of my serve (60 FPS) and it took 0.4 seconds from my racket to the service line. How fast would you say my serve was?
• What do you think of a parent telling their adult child to “keep their personal life to themselves” in relation to talking to them? No reason they should say that it was mean what should I do?
• Scientists Just Discovered a ‘Super-Earth’ : Atmosphere, Size, Distance… It Has It All! - The Daily Galaxy
• Law & Order: Organized Crime Recap: After a Death in the Family, Will Stabler Turn to the Dark Side? - TVLine