Originally Posted by JoeCallon
If you follow a guide all the way through (I used lanoiregaming.com before I found the one on here.) you usually get it on the last mission just outside Dr. Fontaine's office where you inspect the morphine. Me and my brother both got it there, it might have been coincidence but I don't no. (:
Yea that is where i got mine, and others to. i guess its safe to say use a guide and that's where you'll unlock it.