By Entrepreneur Staff Perhaps one of the greatest unsolved murder mysteries is that of the identity of the Zodiac Killer, a serial killer who was connected to at least five known murders between 1968 and 1969 in San Francisco. The killer, who has remained unidentified, became infamous and an almost pop-culture phenomenon for the signature cryptic and coded letters and messages he or she would send to police and press after each killing. But one cold-case investigative squad claims that over 50 years later, they’ve uncovered his identity. The Case Breakers, an independent investigative team made up of former police officers, journalists, and military intelligence, have identified the killer as Gary Francis Poste, a man who passed away in 2018. The team reports that they’ve uncovered new evidence and photos from Poste’s darkroom (without going into specific detail) and cite scars on Poste’s forehead that are nearly identical to those …