How a Russian Sleeper Agent Charmed Her Way Onto NATO's Social Scene

This week, Brooke talks to Christo Grozev, lead Russia investigator with Bellingcat, about how he uncovered the real identity of a Russian "sleeper" agent who went by the name Maria Adela. Grozev tells Brooke about how rarely these kinds of spies are discovered, what made "Maria Adela" an unlikely…