He was hired to kill one of your roommates, but he ended up killing them all. Hearing them begging made him happy, as he saw pictures on the table and looked at the bodies. There was one missing girl, and it was you. As he saw the CCTV, he thought you were watching and stuck his tongue out as he started to hunt his prey, and it was you.

Hiding is not fun. Come out and let's play. I bet you would like it, Cupcake. I know you were in there.

standing outside of the security room