Diamond Casino Heist: Big Con Prep Missions Guide | All Setups GTA Online

In this GTA Online walkthrough, I'll show you how to complete all prep missions for the Diamond Casino Heist - Big Con Approach. Follow along as I complete the required setups. This guide covers the full preparation process before starting the Diamond Casino Heist finale. Heist: Diamond Casino Heist Approach: Big Con Game: Grand Theft Auto Online (GTA Online) 👍 If you found this walkthrough helpful, consider leaving a like and subscribing for more GTA Online guides, missions, and how-to videos. 💬 Join my Discord community:   / discord   Timestamps: 00:00 - Diamond Casino Heist - Big Con Approach Setup Summary 02:15 - Vault Contents 06:08 - Unmarked Weapons 08:40 - Hacking Device 12:20 - Security Pass Level 1 15:45 - Security Pass Level 2 21:50 - Vault Key Cards 24:45 - Vault Drills 28:00 - Gruppe Sechs Disguise 38:55 - Firefighter Outfit 42:08 - Power Drills #GTAOnline #DiamondCasinoHeist #BigCon