Killing

Romans 13:4 - For he is the minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain: for he is the minister of God, a revenger to execute wrath upon him that doeth evil.

Romans 13:8 - Owe no man any thing, but to love one another: for he that loveth another hath fulfilled the law.

Romans 13:9 - For this, Thou shalt not commit adultery, Thou shalt not kill, Thou shalt not steal, Thou shalt not bear false witness, Thou shalt not covet; and if there be any other commandment, it is briefly comprehended in this saying, namely, Thou shalt love thy neighbor as thyself.

Romans 13:10 - Love worketh no ill to his neighbor: therefore love is the fulfilling of the law.
James 4:7 - Submit yourselves therefore to God. Resist the devil, and he will flee from you.
Revelation 21:8 - But the fearful, and unbelieving, and abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.