Continuity mistake: We see T-Bag standing leaning against a post - he has a pocket watch in his good hand and his bad hand is lowered. Camera cuts and now his bad hand is raised and his good hand is open palmed. (00:29:28)
Continuity mistake: Belleck gets his bail denied, and he raises his hand to his face. Camera cuts to the front to see him perform the same action again. (00:14:39)
Visible crew/equipment: When Kellerman rings Mahone, the camera rig is reflected in Mahone's glasses. (00:25:24)
Continuity mistake: When the van comes to a stop in the tunnel, it is out of alignment with the rest of the convoy. Camera changes and the van has now shifted sideways, back into alignment. (00:26:25)
Answer: Don Self actually worked with Whistler before he died. And Whistler with the bird book actually knew where Scylla was.