Num NumbersNumerii, chaptercapitolul Book of NumbersCartea a patra a lui Moise: Numerii, chaptercapitolul 35

And if he push him out of sin'ah (hatred), or hurl upon him bitzediyyah (with intention, by laying in wait) that he die; Deu 19:11Or in eivah (enmity) strike him with his yad, that he die; he that struck him shall surely be put to death; for he is a rotze'ach; the Go'el HaDahm shall slay the rotze'ach, when he meeteth him. Deu 19:12