The Big Score (Obvious Approach)
This mission can be triggered by Michael, Franklin, and Trevor.
 Conditions for failure
- Headshots: Kill at least 20 enemies using headshots.
- Mission Time: Complete mission within 16:00.
- Accuracy: Complete mission with a shooting accuracy rating of at least 60 percent.
- Cha-Ching: Drop the gold onto the train within 30 seconds.
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