The private dining room at Le Ciel was bathed in the warm glow of crystal chandeliers, the ambient sound of classical music floated in muffled by the thick walls and heavy door, creating a cozy, relaxing atmosphere.

A place where deals worth billions were struck over lobster thermidor and vintage champagne, where the city's elite could speak freely without fear of being overheard.

Kathleen Winters sat in one of these private rooms, but the atmosphere was anything but ...