Thomas J. Colbert, whose group Case Breakers has spent years investigating the Zodiac case, said his team had discovered the killer s infamous crosshairs symbol on a wooden post in California.
A group of investigators yesterday claimed to have new evidence proving that an Air Force vet was behind the slayings which mainly targeted couples in Northern California in the late 1960s.
A cold case investigator is claiming that the FBI has identified the man suspected to be the infamous Zodiac Killer and believes the authorities didn t look into enough when he was alive.