Volunteer sleuths crack 'Zodiac' serial killer's coded messageLike the murders themselves, solving the Zodiac ciphers has become an international fixation for true-crime followers.Computer keyboard [illustrative](photo credit: ING IMAGE)
![Computer keyboard [illustrative]](https://images.jpost.com/image/upload/f_auto,fl_lossy/q_auto/c_fill,g_faces:center,h_720,w_1280/462910 "Computer keyboard [illustrative]")