Verses with the word murder in the Old Testament (4 verses):

Psalms 10:8
He sitteth in the lurking places of the villages: in the secret places doth he murder the innocent: his eyes are privily set against the poor.

Psalms 94:6
They slay the widow and the stranger, and murder the fatherless.

Jeremiah 7:9
Will ye steal, murder, and commit adultery, and swear falsely, and burn incense unto Baal, and walk after other gods whom ye know not;

Hosea 6:9
And as troops of robbers wait for a man, so the company of priests murder in the way by consent: for they commit lewdness.