The close relative of the deceased shall put to death the murderer; as soon as he apprehends him, he shall put him to death
Other versions
King James Version
The revenger of blood himself shall slay the murderer: when he meeteth him, he shall slay him.English Standard Version
The avenger of blood shall himself put the murderer to death; when he meets him, he shall put him to death.New International Version
The avenger of blood shall put the murderer to death; when he meets him, he shall put him to death.