OK, then. If you insist that a "parasitical relationship" is justification for killing another unique and distinct human being, then I guess it's time to start unplugging machines at the nursing homes. While we're at it, let's gas anybody in prison, the disabled, and the homeless. See a problem yet?
Your logic is a house of cards. Abortion is murder.
Also, hiding behind "settled law" is the same tactic used by the Democrats to prolong slavery for decades–the other time in US history when an entire group of unique human organisms were denied the Constitutional protections to life and liberty.
>https://www.liveleak.com/view?t=oMiL_1531205973
I'm no audio engineer, but it sure sounded like multiple shooters to me–different firing rates and frequencies at the same time.