Character mistake: When C-Note is using the woman's computer on the train, the Army website says "Access my be denied to some parts of this site" instead of "Access MAY be denied." (00:21:00)
Character mistake: Mahone is very smart and meticulous, similar to Schofield. He has a good knowledge of forensics as shown throughout the show. However he shoots Tweener, and places the gun in his hands after shooting him. He would know that the blood on Tweeners hands would show he wasn't holding the gun when he was killed due to blood spatter behind behind the weapon. (00:40:20)
Answer: Don Self actually worked with Whistler before he died. And Whistler with the bird book actually knew where Scylla was.