Walkthrough for Justice in Pikes Basin of Red Dead Redemption.
1. Meet Marshal Johnson marked with M in the Map.
2. Mount up and follow Marshal's group.
3. After getting off your horse, follow Marshal.
4. Kill the small group of criminals and then head to the Red Marks in the Map.
5. Be careful with the second group hiding behind a tree.
6. Keep going forward and kill everyone in third group and then cross the bridge.
7. Kill everyone on top, past the bridge, and follow the deputies.
8. Kill everyone on other side of the bridge then cross it.
9. Follow Marshal while crouching down.
10. Marshal and deputies will start attack when you shoot first.
11. Keep going down.