Dude I was stuck there too, There is one sniper that I couldn't find so i narrowed it down, If you go in the village make a hard right stick to the right all the way to the back there is on in the bushes in between the buildings in the back of the village also one on the roof by the chimney (I didn't actually see the one at the chimney but naded him and a rocket laucher suddly was in my inventory ) Mission complete.
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We will NOT Falter !
We will NOT Fail !
we will PREVAIL !!!