Fox News Digital also learned that, according to Chan's testimony, the FBI regularly sends social media companies lists of internet URLs and social media accounts that should be taken down because they are "disinformation" from "malign foreign influence operations." The FBI then inquires whether the platforms have taken down the content. On many occasions, the platforms take down the accounts flagged by the FBI.
FBI met weekly with Big Tech ahead of the 2020 election, agent testifies
And there's also this.
The FBI were watching Guiliani's account and knew the Hunter Biden story was going to break so Big Tech was told to label it "misinformation/disinformation".
Miranda Devine: Twitter Files left out this 'crucial' element-author of the censored NY Post article
Was Zuckerberg lying when he said the FBI met with FB or when he said they didn’t mention Hunter or the laptop?