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 spy and what kind of information she could have gathered on NATO.