Australian mathematician reveals how he cracked the Zodiac Killer's last unsolved code
The infamous serial killer murdered at least five people in northern California, U.S, during 1968 and 1969. The Zodiac was never caught despite sending a series of taunting letters and word puzzles to San Francisco newspapers up until 1974. Some were accompanied by bloodied fragments of clothing as proof. The Zodiac's infamous 340 Cipher sent to the San Francisco Chronicle in 1969, accompanied by the 'Dripping Pen card' One of the four ciphers was solved in 1969, in which the Zodiac said he was killing people to collect as slaves for the afterlife. The remaining three cryptograms have ca...
Source: dailymail.co.uk