As early as the Beatles' controversial 1966 American tour, the band had feared for their safety. "You might as well put a target on me," Lennon said, and the Nixon administration complied by opening an FBI file. If only the agents hadn't been so intently focused on the star himself, they might have detected Mark David Chapman's powerful, ever-growing obsession with his onetime idol.
This is the untold story of John Lennon's dramatic last decade.