New: 340All contenthive-129948hive-196917krzzansteemhive-185836hive-183959hive-166405photographyhive-180932hive-150122hive-188619hive-184714hive-183397hive-144064hive-145157hive-101145uncommonlabbitcoinhive-193186hive-113376hive-193637krsuccesshive-103599lifeTrendingNewHotLikersjnorthwest (33)in zodiac • 7 years ago340 cipher cracked with mirror and keyThe key to the Zodiac killer's ciphers was sent to Paul Avery in his 1970 Halloween card. A geometric shape signed by the sender aligns with the 340 and 408 ciphers like a Ouija planchette to…