Bob knows that Captain Rogers wants him to close the door, so he pushes it shut.
"OK. I have something that is kind of burning my ass right now. Not literally. But a case that's bugging the hell out of me." Captain Rogers coughs.
Bob raises his eyebrows, sensing that the Captain is hinting something. "Go ahead and tell me. What is it? Something you can't really touch?"
The Captain doesn't want to answer. He puts both elbows on the desk, forming two fists under his chin.
Observing this reluctant to comment behavior from the Captain, Bob knows he must have guessed it right. It is about someone high above them that it is hard for them to speak up against. And his mind is trying to think of what case that is.
"Have you heard of the Long Island serial killer?" The Captain asks.