Exodus 21:14 in the World English Bible
If a man schemes and comes presumptuously on his neighbor to kill him, you shall take him from my altar, that he may die.
Context
13 And if a man lie not in wait, but God deliver him into his hand; then I will appoint thee a place whither he shall flee.
14 But if a man come presumptuously upon his neighbour, to slay him with guile; thou shalt take him from mine altar, that he may die.
15 And he that smiteth his father, or his mother, shall be surely put to death.