Some high-profile users who were exempted from content moderation enforcement shared false claims, including about vaccines.
In 2020, at least 5.8 million users were reportedly part of XCheck.
Facebook has faced criticism from both Democrats and Republicans about what content it leaves up or pulls down.
The documents will likely raise concerns again about whether the social web connection is fairly enforcing its rules.
The company formed a content oversight board to review some of its toughest decisions.
Advocacy groups and some ofFacebook’s most vocal criticscalled for more oversight over the social connection.
