Facebook's general counsel, Colin Stretch, will testify on Nov. 1 before the House and Senate intelligence committees on the social-media giant’s role in Russian election meddling, NBC News reports. Stretch will be the only witness for Facebook to give testimony at the open hearing, according to the report. The company has vowed to hand over more than 3,000 Russia-linked ads to lawmakers after it was revealed by The Daily Beast and other news outlets last month that Kremlin trolls used fake identities on Facebook to organize and promote political protests and sow discord on politically charged themes. Facing increasing criticism for what many see as enabling Russia’s election interference, the company has since vowed to overhaul its advertising policies. Executives from Google and Twitter are also expected to testify.