Genesis 42:9

42:9 Then Joseph remembered the dreams he had dreamed about them, and he said to them, “You are spies; you have come to see if our land is vulnerable!”

Genesis 42:16

42:16 One of you must go and get your brother, while the rest of you remain in prison. In this way your words may be tested to see if you are telling the truth. If not, then, as surely as Pharaoh lives, you are spies!”