New: 340All contenthive-129948krhive-196917zzansteemhive-183959hive-185836hive-180932hive-166405photographyhive-144064hive-150122uncommonlabhive-101145hive-183397hive-188619hive-184714bitcoinkrsuccesshive-193637hive-180301hive-145157hive-103599hive-165987hive-139150TrendingNewHotLikersjnorthwest (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…