Continuity mistake: When shooting at the car, Link hits the driver's side window. This bullet hole then moves between shots. (00:32:20)
Continuity mistake: At the Buoy, McGrady's hair is constantly changing between shots. (00:21:40)
Continuity mistake: When Bellick is being choked, the guard's arm is constantly changing position around his neck. In some shots, Bellick's neck is in the guard's elbow joint, and in others it's halfway down the guard's forearm. (00:07:45)
Continuity mistake: We see Link driving with a blue short sleeved shirt on. When he arrives at his destination he's wearing a long sleeved grey undershirt. (00:14:20)
Answer: Don Self actually worked with Whistler before he died. And Whistler with the bird book actually knew where Scylla was.