The sniper sighted his marks from a distance and often near the safety of a highway exit ramp.
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受到惊吓的家庭纷纷将自己反锁在家中，迫使枪手逃上屋顶，其中一人被冷枪打死，另两名引爆了炸药。
Terrified families locked themselves into their homes, forcing the gunmen on to the rooftops, where one was killed by sniper fire and two detonated their explosives.
