The card is found in the Authority Prison during the quest "Liberate Captain Marshall". Just before the first automated turret, there's a hole in the wall. Crouch and enter to find the card, and a stash of ammo. 2011-10-14_00035.jpg|The first turret you encounter is on your right 2011-10-14_00036.jpg|Duck and enter this hole 2011-10-14_00037.jpg|Go right to the back 2011-10-14_00038.jpg|And it's behind that slab, on the right