They move in the shadows, difficult to spot, and stay hidden for hours where eliminations happen one after another. That is the tough lighe of a sniper.
A sniper can turn sides in a battle, only though discipline training and patience.
A marksman has to be a camouflage expert. His replicas and ghillie come in play at this point.
That said, would you be able to spot the snipers in these three cases?
Lastly, here you have three videos of the most known airsoft snipers in the world.