@lost_in_movies_ on Instagram: "Donnie Brasco is based on the true story of Joseph D. Pistone, an FBI agent who went undercover in the 1970s by using the alias Donnie Brasco to infiltrate the Bonanno crime family, one of New York’s most powerful Mafia organizations. Posing as a jewel thief, Pistone successfully gained the trust of mobsters and became especially close to Benjamin “Lefty” Ruggiero, who acted as his mentor and protector. His undercover operation lasted nearly six years, making it o