Elusive sniper saps US morale in BaghdadQUOTE
There is never a follow-up shot, never a chance for US forces to identify the origin, to make the hunter the hunted. He fires once and vanishes.
Juba is the nickname given by American forces to an insurgent sniper operating in southern Baghdad. They do not know his appearance, nationality or real name, but they know and fear his skill.
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In a war marked by sectarian bombings and civilian casualties, Juba is unusual in targeting only coalition troops, a difficult quarry protected by armoured vehicles, body armour and helmets.
He waits for soldiers to dismount, or stand up in a Humvee turret, and aims for gaps in their body armour, the lower spine, ribs or above the chest. He has killed from 200 metres away.
UNQUOTE
If one sniper with a rifle capable of shooting accurately at 200 meters can have such an impact, think of the offensive capability he would have if he could afford a .50 caliber sniper rifle with its 2,000 meter range, see
"The Threat of .50 Caliber Armor-Piecing Sniper Rifles" and
"M107 .50 Caliber Special Application Scoped Rifle".