You can most certainly send in fake documents and get passed.
If you send in your real documents your going to get your identity stolen. 95% of these ICO's die. Unless your an all knowing oracle I have no idea how you could tell a good ICO from a bad one. The best scams will look legit.
I for one don't want to be flashed on CNN at the next terror attack with all agencies looking for me because my passport was dropped at the scene. I wont jeopardize my family like that.