God must punish murderers. He gives life, and He will take life, if that life becomes a terror and a menace (MS 126, 1901).

Exodus
19:12 And thou shalt set bounds unto the people round about, saying, Take heed to yourselves, [that ye] go [not] up into the mount, or touch the border of it: whosoever toucheth the mount shall be surely put to death:
21:12 He that smiteth a man, so that he die, shall be surely put to death.
21:15 And he that smiteth his father, or his mother, shall be surely put to death.
21:16 And he that stealeth a man, and selleth him, or if he be found in his hand, he shall surely be put to death.
21:17 And he that curseth his father, or his mother, shall surely be put to death.
21:29 But if the ox were wont to push with his horn in time past, and it hath been testified to his owner, and he hath not kept him in, but that he hath killed a man or a woman; the ox shall be stoned, and his owner also shall be put to death.
22:19 Whosoever lieth with a beast shall surely be put to death.
31:14 Ye shall keep the sabbath therefore; for it [is] holy unto you: every one that defileth it shall surely be put to death: for whosoever doeth [any] work therein, that soul shall be cut off from among his people.
31:15 Six days may work be done; but in the seventh [is] the sabbath of rest, holy to the LORD: whosoever doeth [any] work in the sabbath day, he shall surely be put to death.

Leviticus
20:2 Again, thou shalt say to the children of Israel, Whosoever [he be] of the children of Israel, or of the strangers that sojourn in Israel, that giveth [any] of his seed unto Molech; he shall surely be put to death: the people of the land shall stone him with stones.
20:9 For every one that curseth his father or his mother shall be surely put to death: he hath cursed his father or his mother; his blood [shall be] upon him.
20:10 And the man that committeth adultery with [another] man's wife, [even he] that committeth adultery with his neighbour's wife, the adulterer and the adulteress shall surely be put to death.
20:11 And the man that lieth with his father's wife hath uncovered his father's nakedness: both of them shall surely be put to death; their blood [shall be] upon them.
20:12 And if a man lie with his daughter in law, both of them shall surely be put to death: they have wrought confusion; their blood [shall be] upon them.
20:13 If a man also lie with mankind, as he lieth with a woman, both of them have committed an abomination: they shall surely be put to death; their blood [shall be] upon them.
20:14 And if a man take a wife and her mother, it [is] wickedness: they shall be burnt with fire, both he and they; that there be no wickedness among you.
20:15 And if a man lie with a beast, he shall surely be put to death: and ye shall slay the beast.
20:16 And if a woman approach unto any beast, and lie down thereto, thou shalt kill the woman, and the beast: they shall surely be put to death; their blood [shall be] upon them.
20:27 A man also or woman that hath a familiar spirit, or that is a wizard, shall surely be put to death: they shall stone them with stones: their blood [shall be] upon them.
21:9 And the daughter of any priest, if she profane herself by playing the whore, she profaneth her father: she shall be burnt with fire.

Numbers
15:35 And the LORD said unto Moses, The man shall be surely put to death: all the congregation shall stone him with stones without the camp.
15:36 And all the congregation brought him without the camp, and stoned him with stones, and he died; as the LORD commanded Moses.

Deuteronomy
13:9 But thou shalt surely kill him; thine hand shall be first upon him to put him to death, and afterwards the hand of all the people.
13:10 And thou shalt stone him with stones, that he die; because he hath sought to thrust thee away from the LORD thy God, which brought thee out of the land of Egypt, from the house of bondage.
21:20 And they shall say unto the elders of his city, This our son [is] stubborn and rebellious, he will not obey our voice; [he is] a glutton, and a drunkard.
21:21 And all the men of his city shall stone him with stones, that he die: so shalt thou put evil away from among you; and all Israel shall hear, and fear.
21:22 And if a man have committed a sin worthy of death, and he be to be put to death, and thou hang him on a tree:
21:23 His body shall not remain all night upon the tree, but thou shalt in any wise bury him that day; (for he that is hanged [is] accursed of God;) that thy land be not defiled, which the LORD thy God giveth thee [for] an inheritance.