Upstairs, you’ll find the Happy Birthday tape, the Model Axe, the Model Shotgun, and a statuette puzzle.
Rotate the lamp until you spot the red button underneath the shade. They can’t easily chase you, so you can leave it… or finish it off with a few bullets to the head. If you’re fast, you can grab the key off the gurney and run for it, slamming the door in the Moulder’s face. Watch out! When you open the left chamber, a Moulder will slide out and attack.