Reality
https://www.washingtonpost.com/technology/2019/06/12/top-ai-researchers-race-detect-deepfake-videos-we-are-outgunned/?utm_term=.9c8fb160fc5e Basically, technology is at a point where videos can be completed fakes, including the addition of real people, saying fake things, acting in whatever ways the video producer wants. According to the article, experts are a barely ahead of the game in terms of deciphering what is a fake, but that won't last forever. Imagine, if a video comes out of Joe Biden (I don't always want to pick on Trump) meeting with Hillary Clinton in 2015, having a discussion about completely opening the borders and ways to let illegal immigrant votes. What could Biden do besides insist that it is fake. Would swing voters believe him. This could happen to anyone, about anything, and the technology will only get easier, cheaper, and more believable. I'm amazing that this isn't significantly more common (this almost never happens, not even audio), but i