美国专家组的目标是为犯罪实验室制定标准。19年来,杰拉德·理查德森(Gerard Richardson)身陷新泽西的监狱里,纳罕法证专家们如何会把他的案子弄错得这么离谱。对于他1994年的一项谋杀的定罪,是根据受害者身体上的一个咬痕看起来似乎与他的牙齿吻合;这就是把他和犯罪联系在一起的主要物证。去年,从那个咬痕中提取的DNA被证明不是他的,他的冤情得到了昭雪。根据 The goal of the United States panel is to set standards for criminal laboratories. 19 years ago, Gerard Richardson was caught in a jail in New Jersey and how Nathan forensic experts mistook his case for such an outrage. The conviction for one of his 1994 murders was based on a bite mark on the victim’s body that seemed to fit his teeth; this was the main evidence that linked him to the crime. Last year, the DNA extracted from that bite marks proved to be none other than his grudges. according to