The handcuffed woman glowered as federal investigators swarmed the Cherry Hill, New Jersey, storage unit where her “combat materials” were stashed. But not even a hardened homegrown terrorist like 29-year-old Susan Rosenberg was ready to die this November night in 1984. “Put out the f–king cigarette,” she growled at an officer who had unwisely lit up. Rosenberg knew that the unit was stuffed with 740 pounds of leaking explosives. The nitroglycerine oozing from her poorly maintained cache of dynamite — stolen from a Texas construction firm four years earlier — was dangerous and highly unstable. Rosenberg and an accomplice, Tim...