Murder: Punishment For: Inflicted by the Nearest of Kin
Source: TTT
Numbers 35:19, 21
The avenger of blood is to put the murderer to death; when he finds him, he is to kill him. / or if in hostility he strikes him with his hand and he dies, the one who struck him must surely be put to death; he is a murderer. When the avenger of blood finds the murderer, he is to kill him.