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 Russia needs the resources to fund the war in Ukraine, why doesn’t it throw open its doors to visa free western tourism? Enough people would be interested, & it would start to get some hard currency as €, CHF, £, SEK, $, JPY in the tills at shops.
• What are some of your shocking stories?
• Why don't we hear our own snoring?
• Teens like me, what are your expectations when entering adulthood?
• How do I seduce my sister? (I am an Indian) I want to have sex with her.?
• Why is squid ink safe to eat, while skunk spray is not? What makes the two liquids different from each other?
• What does the Turkish word çıplak mean?
• Why did the American's mulberry harbor not hold up after D-Day?
• What did your sister do to you that you can never forget?
• Why is pure dopamine not a recreational drug? And if it was wouldn’t it be the most addictive and fairly side effect free?
• Why do some men want to remain single despite the fact that many women want to have a romantic relationship with them?
• What are the consequences of being addicted to something? Is it considered wrong to have an addiction?
• Trump is going to target known criminals in the country illegally for deportation. The Democrats have vowed to fight him every step of the way. Don't they understand this is one of the issues that cost them the white house, the house and senate?
• Why is Trump not on a violation of probation, offering a job for an endorsement is in violation of federal law? Kaamala knew better she is very sharp.