NET
13 You must not pity him, but purge from Israel the guilt of shedding innocent blood, so that it may go well with you.
Darby
13 Thine eye shall not spare him; and thou shalt put away innocent blood from Israel, that it may be well with thee.
KJV
13 Thine eye shall not pity him, but thou shalt put away [the guilt of] innocent blood from Israel, that it may go well with thee.