Continuity mistake: Mike's car is not visible when Walt breaks into his own backyard. Mike is still there, as you see him hiding behind the corner, and later getting into his car.
Continuity mistake: Walter is pulled over by a cop. Before the stop, the cop car is to Walter's right. Walt looks in his wing mirror (driver's side) and the cop car is to Walt's left.
One Minute - S3-E7
Continuity mistake: Just after Hank crushes Leonel's legs by backing into him, Marco starts shooting into Hank's Jeep. You can see Hank crawling into the rear seat to escape through the side door. But as soon as the camera angle changes to inside the Jeep, Hank is back in the driver's seat and crawls out again. (00:43:30)
Answer: Saul is a criminal himself. It's not past his capabilities to forge some documents to show the 857k is available.
Ssiscool ★
Forged documents by Saul is most likely the correct answer.
The_Iceman