When you are in the library there will be a paper. Change to the girl and read the paper you will then get a code memorize it or wright it down. (I memorized it) Then go back to the billierts room and go to the safe. The number I said about is a combonation. Imput the code the there you have it the gun. But heres a extra for you. Ok. Here it is. Watch out the girl you saw in the hall way blocking the door will turn in to a monster. The monster is not small it is huge. I say this in four words. DO NOT USE THE GUN. It will use up most of your ammo and you need it for something ahead. Kill the monster with a bat. And there you go