Verses with the word murderers in the Apocrypha (2 verses):

Wisdom of Solomon 12:5
And also those merciless murderers of children, and devourers of man's flesh, and the feasts of blood,

2 Maccabees 12:6
And calling upon God the righteous Judge, he came against those murderers of his brethren, and burnt the haven by night, and set the boats on fire, and those that fled thither he slew.