[Costigan took the journal and read it in silence. After a beat, he sighed and motioned vaguely at the small couch across from his bed; ever since he'd changed his room to the place on L street, he hadn't had much space or many pieces of furniture like before. The two had a sort of coffee table between them.]

"You should sit down." [He offered the journal back to his warden, then pulled out his own and handed that over after, already having two of the relevant conversations pulled up. Then he was walking over to his dresser in the corner, pulling out the third drawer and reaching to remove the envelope taped to the bottom of the second.]

"It started when I asked around about him. I told people I was looking for something for something to get him off my back." [That was what he had told them, not the truth; he didn't care if Dick picked up on the distinction.] "First this guy, Warren White, tells me about his past as the Riddler and his history at Arkham. Some of it. Then Slade Wilson gives me this conversation--"

[The actual file was deleted from Slade's journal, but Costigan had made a transcript of it. It was what he removed from the folder and laid before Dick.] "Nygma was helping Crane make his fear toxin. I don't have proof because Nygma broke into Slade's room and deleted the conversation off his journal. Slade said Tim had seen it, though."