Episode 3 Lake Berryessa
On September 27th, 1969, college students Bryan Hartnell, 20, and Cecelia Shepard, 22 made a spur of the moment decision to head to peaceful, and private Lake Berryessa in Napa County. They made their way down to the edge of the lake and spread out a blanket to relax on. But their get away was soon interrupted by a hooded attacker who brutally stabbed the young couple before making his escape. Bryan was able to survive his injuries but unfortunately, Cecelia died two days later. It didn't take authorities long to determine that the pair had been attacked by the Zodiac, who had moved on from the Vallejo area.