Commentary Critical and Explanatory on the Whole Bible - Deuteronomy 13:9
9. thou shalt surely kill him—not hastily, or in a private manner, but after trial and conviction; and his relative, as informer, was to cast the first stone (see on :-; :-). It is manifest that what was done in secret could not be legally proved by a single informer; and hence Jewish writers say that spies were set in some private part of the house, to hear the conversation and watch the conduct of a person suspected of idolatrous tendencies. read more
Thomas Coke Commentary on the Holy Bible - Deuteronomy 13:9
Ver. 9. Thine hand shall be first upon him to put him to death— The person was to be stoned, and the accuser was to throw the first stone at him, together with the witnesses; see chap. Deuteronomy 17:7. To this our Saviour alludes, John 8:7. This law at first sight may appear too great a trial to humanity; but it is no more than requiring a compliance with that plain principle of morality, that we are to sacrifice all private considerations to the good of the public: as well as with that first... read more