COLD CASE, 1978: Julie Campbell's sister, Lori Manning, is on Dark Downeast to share memories of her sister, and questions that a remain in this cold case over 43 years later. Why end the life of this beloved woman? How did the attacker take Julie by surprise, a woman with a Black Belt in Karate and mace always in her pocket? Who killed Julie? Is it possible that Julie Campbell's murderer has ties to other cases in Massachusetts, Maine, and beyond? This is the Unsolved Murder of Julie Campbell. Cambridge, Massachusetts Tip Line: 617-349-3359 Visit juliecampbellmurder.com For more information, photos, and sources, visit darkdowneast.com Follow along on Instagram @darkdowneast