Charlie Chaplin was one of Hollywood’s first stars. But the FBI saw him as something else: a threat to the United States. His granddaughter, Oona Chaplin, tells the story of how Hollywood became a battleground for the soul of America and how the US government began its decades-long campaign to root out communism in Tinseltown. 🎙 Listen to episode one of Hollywood Exiles: https://www.bbc.co.uk/sounds/play/w3ct6d1b | BBC World Service