"Supplemental," Jon hissed into the tape recorder. He was fairly sure no one could hear him. "I broke into Gertrude's flat. It hasn't been relet, due to the circumstances of her death. I think I got away with it."

Someone had murdered Gertrude Robinson, and Jonathan Sims, Head Archivist, was going to find out who. Even if that meant stalking his colleagues and barely sleeping. Because whoever killed her was surely coming to kill him any day now.

He's not being paranoid. It's logical to distrust all of his colleagues and he would feel the exact same way if he slept and stopped with the caffeine. Martin just wants to distract him from his investigation so he can murder him in his sleep. Probably.

Besides, he does have reasons. He knows they're hiding something from him. Martin with his letters to his mother about lying to Jon, Sasha with her weird boyfriend "Tom", Elias with his weird comments, Tim with his refusal to go into the reason he joined the Institute, Jon could go on. It made sense to go through their trash and stalk them on their lunch break and take pictures of their flat.

It had to make sense, all the distrust and accusations. Because otherwise he would have to admit he was scared.

"I learned a few things from this." Jon fiddled with his hands — avoiding the wounds still wrapped in gauze from his encounter with Prentiss — as he spoke into the mic of the tape recorder. None of the Archival staff knew about his "supplemental updates", and he'd like to keep it that way. He didn't need another intervention.

"Firstly, Gertrude led a very minimalistic existence. There was nothing exce—" Creak. The opening of a door. His office door. Jon quickly moved to hide all evidence of his various conspiracies while looking to see who it was.