Indeed, "You shall not commit murder" was authored by the Author of us all.

Catechism of the Catholic Church 2270: Human life must be respected and protected absolutely from the moment of conception. From the first moment of his existence, a human being must be recognized as having the rights of a person - among which is the inviolable right of every innocent being to life.

    Before I formed you in the womb I knew you, and before you were born I consecrated you. - Jeremiah 1:5; cf. Job 10:8-12; Psalm 22:10-11

    My frame was not hidden from you, when I was being made in secret, intricately wrought in the depths of the earth. -  Psalm 139:15.