https://techcrunch.com/2017/10/01/facebook-russian-ads/

Facebook will release over 3000 ads bought by a Russian entity to interfere in U.S. politics and the 2016 presidential election with congressional investigators tomorrow morning at 8am Pacific, a Facebook spokesperson confirmed to TechCrunch. Facebook’s disclosure to the House and Senate Intelligence Committees and the Senate Judiciary Committee will include information on the ads’ content and targeting as well as the accounts that bought them that ran between 2015 and 2017 in the U.S. It previously announced these ads were tied to 470 accounts and Pages “associated with a Russian entity known as the Internet Research Agency.”

Facebook believes that congressional investigators for the three comittees are best placed to review the ads and make determinations on them based on their access to classified intelligence and information from all relevant companies and industries, beyond Facebook own internal investigation, according to a spokesperson.