I roto i te reta i whakairihia i te Paenga-whawha 20, 1970, i tuhia e te Zodiac, "Ko _____ toku ingoa", i whai ake i te tohu 13-waitohu. I haere tonu te Zodiac ki te kii ehara ia i te kawenga mo te pahū pahū o te tari pirihimana i San Francisco (e pa ana ki te Hui-tanguru 18, 1970, te matenga o Sgt. Brian McDonnell e rua nga ra i muri mai i te pahū i Park Station i Golden Gate Park) engari i tapirihia "he nui ake te kororia ki te patu i te pirihimana [sic] na te mea ka taea e te pirihimana te hoki mai". I roto i te reta he mahere pupuhi o te Zodiac i kii ia ka whakamahia e ia ki te pupuhi i te kura. I te raro o te pahi pahi, i tuhituhi ia: "Ko te SFP = SFP = 0.0", i tukuna e te Zodiac he pahi pahū pahū i te Paenga-whawha 28, 1970, i muri mai i te tohu 13-waitohu. I te marama o Pipiri 19, 1970, i tuhi a
= 12, SFPD = 0 Ko te tikanga o te SFPD.