Behind. TheBillions on Instagram: "Larry Silverstein isn’t just another billionaire real estate mogul — he’s a name tied to one of the most controversial events in modern history: 9/11. Silverstein was the man who signed a 99-year lease for the World Trade Center complex in July 2001 — just six weeks before the attacks. The deal covered the Twin Towers, worth billions. What’s even more eyebrow-raising? He heavily insured the towers against terrorist attacks, something that would later spark deca