you do not give it to anyone you go to the B.A.D site and pass the lasers and use it for the fingerprint code.
To go through a building in the way right of the island.
fingerprint
In the final building when you are reprogramming the computers. you use the fingerprint to get into the building.
Besides the spy that is in the garbage can at the docks (who gives you the Bistro code), there is a spy on top of a building by HQ that will give you a clue that will say something like To access the top B.A.D. headquarters, you need the main guy's fingerprint.
you don't have to. you just need the fingerprint.
From the agent in the B.A.D. Bistro. Get the job there as a chef and then get his wine glass (with his fingerprint). Sneak out through the kitchen vent and across the light fixtures.
The glass is for the B.A.D Control Center when you need to break in there. It has a fingerprint-only code.
You need to go to the chef, then play the simple game, then get the fingerprint.
When you use the glass chalice like cup at the laser areas.
There is only one Fingerprint, which you get from the wine glass of a BAD bigwig at the BAD Bistro. (when you use the fingerprint, slide it left and right at the door) (see related question)
you use it for the bad agents place there you have to dodge alot of lazers and defeat director.D
There is no key on Spy Island. The "vault" holding the first spy has a large hole in its ceiling. The door at the BAD hideout (satellite control station) is opened using a fingerprint from the BAD Bistro. (see related questions)