When Joshua was near ¹  Jericho, ²  he looked up and saw a man standing in front of him holding a drawn sword. ³  Joshua approached him and asked him, “Are you on our side or allied with our enemies?” ⁴ 

The Lord told Joshua, “Hold out toward Ai the curved sword in your hand, for I am handing the city ¹  over to you.” So Joshua held out toward Ai the curved sword in his hand.

When the avenger of blood comes after him, they must not hand over to him the one who committed manslaughter, for he accidentally killed his fellow man without premeditation. ¹