In December of 1966, a desktop poem was discovered at the Riverside City College Library. If the poem is referring to the victim Cheri Jo Bates it would have been written before October 30th, 1966.
Transcript below:
Sick of living/unwilling to die
cut.
clean.
if red /
clean.
blood spurting,
dripping,
spilling;
all over her new
dress
oh well
it was red
anyway.
life draining into an
uncertain death.
she won’t
die.
this time
someone ll find her.
just wait till
next time.
rh