Professional gamblers aren’t normally putting $5k on any +9000 bet. It’s a super flyer. Not a very common bet at all.
They practiced the play during the week and had it in the playbook. It was going to get used either in that exact situation or a 2pt play. It wouldn’t have been a secret to anyone in the building.
My belief was and still is that someone in the organization most likely a player or low level staffer leaked it out to someone to bet it. Yes, Jamo was my first thought