Continuity mistake: When Steadman takes out his gun, he presses it to the back of Veronica's head. She does not flinch or shy away from the gun, but in the next shot, a close-up of Steadman, the gun muzzle is pointed at the camera with Veronica off-screen, and so the gun is suddenly not touching her. (00:22:40)
The Message - S2-E15
Continuity mistake: When Mahone is on the phone with Agent Kim, Mahone's cell phone jumps back and forth from his right ear to his left ear. (00:20:20)
Continuity mistake: Alexander Mahone reveals his so called past to Tweener and shows pulls out 2 pills from his pen, however next time we see the pills there are 3. (00:12:10 - 00:13:20)
Continuity mistake: In Season 2: Episode 9-"Unearthed" when Bellick is talking to T-Bag in the house, he pulls up a chair to sit down in front of T-Bag. When he pulls the chair out and starts to sit down, the chair is backwards, but in the next shot it's facing T-Bag. (00:38:10)
Rendezvous - S2-E10
Continuity mistake: Sarah closes the postbox and walks away with the box remaining closed. When she gets in the car the box is open. (00:13:15)
Rendezvous - S2-E10
Continuity mistake: When Sarah opens the postbox she has the paper in her left hand. When the shot changes it's in her right hand. (00:13:00)
Continuity mistake: The positions of the coolers the clerk falls into changes between shots. Note the colours of them. (00:02:40)
First Down - S2-E4
Continuity mistake: When Mahone tells John he is going back to Fox River or the morgue, the position of John's necklace on his fingers changes position between shots. (00:35:00)
Answer: Don Self actually worked with Whistler before he died. And Whistler with the bird book actually knew where Scylla was.