How is Oedipus damned in the bloodshed of his own hands?

The
tragic herowas damned in the bloodshed of his own hands because, in killing his father, he
initiated the downward spiral of his prophesized tragic fate.

Oedipus states
that he "drank (his) own blood from my father
from my own hands" (1421-22).
Spilling Lauis's blood left many shoes to fill, one of those being husband to, who also happened
to be Oedipus's mother. Being the hero he was, Oedipus was able to defeat the sphinx and won
the...