They are obviously just fishing like you are. The point is not whether there is anything of value on the phone but where to draw the line. This is not the last phone from a dead terrorist. Nor the last phone acquired somewhere somehow that might have something interesting on it. Stop it here or it will never stop.
Well Mr. Bubba, I am not fishing. I fish with hand grenades.
Do you belong to the communist party of America or do you have connections with Bernie and his socialists?