“This is the motivating factor. This is his white whale…” — Perhaps It's You at 30:34
“This is the motivating factor. This is his white whale that he's chasing. What happened to his sister? He's got to find out. I suppose. Yeah, she disappeared. Okay. Alright, he then discovered the exiles and became fascinated by them. He tells Scully that he has been trying to access classified government…”