Numbers 35:22
But if he thrust him suddenly without enmity, or have cast upon him any thing without laying of wait,
Exodus 21:13
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.
Numbers 35:11
Then ye shall appoint you cities to be cities of refuge for you; that the slayer may flee thither, which killeth any person at unawares.
Deuteronomy 19:5
As when a man goeth into the wood with his neighbour to hew wood, and his hand fetcheth a stroke with the axe to cut down the tree, and the head slippeth from the helve, and lighteth upon his neighbour, that he die; he shall flee unto one of those cities, and live:
Joshua 20:3
That the slayer that killeth any person unawares and unwittingly may flee thither: and they shall be your refuge from the avenger of blood.
Joshua 20:5
And if the avenger of blood pursue after him, then they shall not deliver the slayer up into his hand; because he smote his neighbour unwittingly, and hated him not beforetime.