https://www.cnbc.com/2017/09/12/watchdog-group-wants-facebook-to-release-russian-sponsored-ads.html

The Campaign Legal Center is urging Facebook to release the content of political ads purchased by Russian nationals and displayed on Facebook, most notably during the 2016 presidential campaign cycle.

CNBC obtained an advance copy of a letter sent Tuesday to Facebook CEO Mark Zuckerberg from CLC President Trevor Potter. The nonprofit watchdog group accuses Facebook of having been "used as an accomplice in a foreign government's effort to undermine democratic self governance in the United States."