Hints and tips
An easy way to complete a mission is to use sniper rifles for enemies a long distance away, I did this to enemys which I kept on getting shot by whilst shooting other enemys, when you kill an enemy stand over the back pack they have dropped and press R2 to bring up the inventory in his backpack and select his items. You cannot do this if your inventory is full.
We have more cheats and tips for this game here, Hidden and Dangerous cheats
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