you might notice something uncanny. and how their voices don't align with their mouth movements. that's because they aren't real people. they're deep fake avatars made with artificial intelligence. it's unclear who's behind this, but last year, pro-china bot accounts sent them out over twitter and facebook. >> this is the first time we've seen footage of an entirely fictitious, fake person . we've been tracking these since at least 2019, and routinely am plifies narratives that align with beijing's specific interests. >> reporter: a report was issued on this campaign that says in part more videos portrayed the u.s. in a negative light that focused on any other theme, presenting it as law-breaking, racked by civil strife and failing in the fight against covid-19. >> this meeting is of great significance.