The Zodiac’s 340 Cipher Was Solved After 51 Years. So Why Is the Case Still Open? The Dark Record Mysteries October 13, 2026 Leave a Comment on The Zodiac’s 340 Cipher Was Solved After 51 Years. So Why Is the Case Still Open? Posted in Seen Them Share: XFacebookPinterestLinkedin In 1968 and 1969, a killer who called himself the Zodiac attacked seven people across Northern California, killing five, and then … source Author: The Dark Record Mysteries