This is an updated guide and walk-through for The Big Con Gruppe Sechs approach in the GTA Online Diamond Indian Casino Heist. This will show you how to get every bit of money, including from the second hidden/secret vault without losing any money, and explicate which setups to do, which crew to use (hacker, gunman, driver) and how to consummate it successfully.
The final take was $2,640,000, the vault contents was artwork.
