"Whoso sheddeth man's blood, by man shall his blood be shed: for in the image of God made he man".
And Romans 13:4b:
"But if thou do that which is evil, be afraid; for he beareth not the sword in vain: for he is the minister of God, a revenger to execute wrath upon him that doeth evil."
Both of these verses, and others, lend support to what you've said.
Yes, I agree with your point. Both of the verses you cite support capital punishment.
My point is merely that glib citations of Ex 20:13 are not dispositive of the question of suicide or a fortiori the question of withdrawing extraordinary, non-volitional "life-saving" impositions from a person suffering from irreversible and complete debilitation.
Poor Terry has become a political football for people with much larger agendas. The 'extend physical life at all costs' types have had a field day at her expense. Let her go home in peace.