Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
Her research was referenced several times in Congressional hearings on Syria; Sen. John McCain and Secretary of State John Kerry mentioned her by name; and she's even been seen here on CNN. But new evidence has surfaced that Elizabeth O'Bagy from the Institute for the Study of War may have lied about her credentials and concealed her affiliation to rebel groups. CNN's Barbara Starr reports.