Searching for torrents of copyrighted content is not a good idea. It violates the law and can expose you to risks. You could check out popular streaming services that might have the movie available for a fee or subscription.
Well, it's hard to say. Sometimes movies or shows claim to be based on true events, but they might take a lot of creative liberties. In the case of 1BR, it's not clear if it has a direct connection to real-life events.