WHO KILLED LEONA ROBERTS?

The website https://zodiackiller.forumotion.com/t15-the-state-is-in-trouble-the-bleeding-knife-of-zodiac-day-to-day-forecast-for-cancer-and-leo- letters reports the documents sent by the Zodiac Killer containing the astrological predictions on the signs of Leo and Cancer (represented by the symbol 69), according to some taken from erotic magazines such as Penthouse by Bob Guccione and Playboy by Hugh Hefner. The letter was sent on December 10th, 1969 from