目前为止，DNA测试在美国已经使240多人沉冤得雪。一些人已经被判处了死刑，但是还没有人被处决。
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Roy Brown
Peter Neufeld
Sarah Chu
The case against him included a bite mark examined by a forensic dentist. The real killer was later identified through DNA. By that time, Roy Brown had served fifteen years in prison. So far, DNA testing has cleared -- the term is exonerated -- more than 240 people in the United States. Some had be…
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