Ana Belén Montes, also known as the "Queen of Cuba", is perhaps one of the most damaging spies in US history. Her espionage is said to have significantly exposed US intelligence operations in Cuba. Retired FBI Special Agent Peter Lapp discussed his new book Queen of Cuba: An FBI Agent's Insider Account of the Spy Who Evaded Detection for 17 Years and gave the inside scoop on how his team was able to catch a seemingly normal woman who was also one of the world’s most dangerous spies.