Deuteronomy 21:9

9 And so shalt thou put innocent bloud fro the, when thou shalt haue done that which is right in the syght of the Lorde.

Deuteronomy 21:9 Meaning and Commentary

Deuteronomy 21:9

So shalt thou put away the guilt of innocent blood from among
you
Which otherwise, the person not being found out, and brought to just punishment for it, would devolve upon the whole. Aben Ezra interprets it the punishment of innocent blood, which, by the above method being taken, would not be inflicted on them:

when thou shalt do that which is right in the sight of the Lord;
as it was to observe this law concerning the beheading of the heifer, with all the rites and ceremonies belonging to it here enjoined; as well as every other command, statute, and ordinance of the Lord, which are all right to be done, ( Psalms 19:8 ) .

Deuteronomy 21:9 In-Context

7 and shall answere ad saye: oure handes haue not shed this bloude nether haue oure eyes sene it.

8 Be mercifull Lord vnto thy people Israel which thou hast delyuered and put not innocent bloude vnto thy people Israel: and the bloude shalbe forgeuen the

9 And so shalt thou put innocent bloud fro the, when thou shalt haue done that which is right in the syght of the Lorde.

10 When thou goest to warre agenst thyne enemies and the Lorde thy God hath delyuered them in to thine handes and thou hast take them captyue,

11 and seist amonge the captyues a bewtifull woman and hast a fantasye vnto her that thou woldest haue her to thy wyfe.