I created humans to be like me, and I will punish any animal or person that takes a human life. If an animal kills someone, that animal must die. And if a person takes the life of another, that person must be put to death.
"Please," she replied, "swear by the LORD your God that no one will be allowed to kill my son!" He said, "I swear by the living LORD that no one will touch even a hair on his head!"
Or suppose you get angry and kill someone by pushing or hitting or by throwing something. You are a murderer and must be put to death by one of the victim's relatives.