http://www.truecrimediary.com/index.cfm?page=cases&id=95 I was just reading the entry on True Crime Diary about the cold case that was recently solved using DNA which led LE to a 76 yr old, infirm man. He had murdered a young couple while they were in their car. He suspected in another similar murder of a young couple. Michelle (the author of TCD) brings up some similaries between this guy and the Zodiac which are compelling. Their ages fit, they are the same height, this guy lived in California for a time and he was in prison at Deer Lodge - the Zodiac mentioned being an escapee from Deer Lodge prison.