The infamous Zodiac Killer who may have killed up to 27 people between 1968 and 1969 has finally been unmasked by a former detective. Kimberly McGath believes the killer to be a convicted serial killer named Dennis Radar. Radar is better known as the BTK Killer – a name derived from the fact that McGath Bound, Tortured and Killed his ten victims in Wichita, Kansas between 1974 and 1991. Dailystar.co.uk reports: Rader was in the US Air Force from 1966 and 1970 before settling down with a wife in Kansas. The BTK Killer sent numerous letters to the media but suddenly stopped. He then vanished until 2004 when he suddenly started sending letters again. The following year Rader was arrested after he sent police a floppy disk, which was traced back to him. Faced with a mountain of forensic evidence Rader confessed to being the BTK Killer and is now serving life imprisonment with no parole. But he has never been questioned about the Zodiac killings. Ms McGath has been studying links between the two killers for two years, especially the letters they both wrote, and she told Daily Star Online : “There are just so many similarities between Zodiac and BTK.” [...]