On the 1st of August 1969
three newspapers in San
Francisco got identical
hand-written letters with no
return address. They started
with “Dear editor. I am the
killler of the two teenagers
you found last Christmas
on Lake Herman…” the let-
ters also included accura-
te descriptions of victims´
clothes, position of the bo-
dies or even the brand of
used ammunition. The only
thing resembling a signatu-
re was the famous Zodiac´s
symbol (a circle with