近年来,法医DNA分析已成为法医物证检验的常规技术,特别是PCR-STR技术在实际应用中其检测灵敏度可达纳克级水平,从证据学的角度,这无疑使我们更加科学、有效地证实犯罪。但从发现、提取以及检验如此微量的生物物证角度,这又是对技术人员责任心的考验。本文通过一起杀人案中陈年 In recent years, forensic DNA analysis has become the forensic medical evidence testing of conventional technology, especially in the practical application of PCR-STR detection sensitivity up to nanograms level, from the perspective of evidence, which will undoubtedly make us more scientific and effective Confirmed crime. However, from the point of view of discovering, extracting and testing such a trace of biological evidence, this in turn is a test of the sense of responsibility of technicians. This article through a murder case old age