Deuteronomy 19:4

Overview - Deuteronomy 19
1	The cities of refuge.
4	The privilege thereof for the manslayer.
14	The land-mark is not to be removed.
15	Two witnesses at the least are required.
16	The punishment of a false witness.

Deuteronomy 19:4  (King James Version)
And this is the case of the slayer, which shall flee thither, that he may live: Whoso killeth his neighbour ignorantly, whom he hated not in time past;