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【案件回放】2004年5月2日,在美国Virginia州的一个小城市Suffolk,有一家快餐店快打烊了,突然来了三个人,点了汉堡、薯条和饮料。这三个人慢慢吃着,等到顾客都走光了,快餐店快关门的时候,突然站起来,把没吃完的汉堡扔掉,拿出手枪实施抢劫。随后他们把店员关入店里的冰库,逃之夭夭。店外的一位目击者报了警,几分钟后警察到达现场,封锁周围地区搜人,但是没有收获。随后警察在垃圾箱里找到一点没吃完的汉堡,那就是三个抢劫犯留下的,上面极有可能有他们的口水,也就是DNA证据了。
On May 2, 2004, at a fast food restaurant in Suffolk, a small state of Virginia in the United States, a fast food restaurant was almost hitched. Suddenly, three people ordered hamburgers, french fries and drinks. The three people slowly ate, until the customers are gone, fast food restaurant closed the door, suddenly stood up, did not eat the hamburgers thrown away, took out a pistol to rob. Then they shut the clerks into the store’s ice bank and run away. A witness outside the shop called the police. A few minutes later the police arrived at the scene and blocked the search for people in the area. However, there was no gain. Then the police found a little overhamed hamburger in the bin, which was left by the three robbers, most likely with their saliva, DNA evidence.