You hated being in that room. Someone killed Infected and scattered his remains around his room. It’s not like you couldn’t inspect, you’re the detective here, and after being in the room longer than you liked you decided to leave and start questioning any suspects. There was Lampert, his kinda boyfriend that Infected’s been arguing with, Mannequin Mark, Lamperts dad, Wallter, Lamperts other dad, Poob, who found the body and was crying, and pest, who was comforting his boyfriend Poob