And famously Martin Luther King Jr, even Hemingway. TL;DR: His friends were disturbed by his paranoia that the FBI was following him. But years later it turned

And famously Martin Luther King Jr, even Hemingway. TL;DR: His friends were disturbed by his paranoia that the FBI was following him. But years later it turned out to be based on fact: https://www.nytimes.com/2011/07/02/opinion/02hotchner.html https://www.nytimes.com/2011/07/02/opinion/02hotchner.html