Continuity mistake: At the beginning of the episode when Bolsa writes "Hola DEA" with the white paint on the turtle shell, the writing completely changes from how it appeared in the episode "Negro Y Azul."
Continuity mistake: When Juan walks into the bar, he sets his hat flat on the bar counter. But in later shots, the hat is sitting on the edge of the bar railing. Most noticeable when he and Tortuga leave the bar.
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