《犯罪现场分析》是2010年中国法制出版社出版的图书，作者是胡向阳。该书主要讲述了现场勘查和犯罪现场分析。
对人体DNA甲基化水平进行检测发现，结合在DNA上的甲基团数量与年龄有关，因此，唾沫分析技术有望成为犯罪现场取证工具。
An analysis of a person's DNA methylation finds that the number of methyl groups attached to the DNA correlates with the person's age — making saliva analysis a possible CSI tool.
刑事鉴识科专家经常在犯罪现场实验室工作，分析dna，手印，武器以及其他犯罪证据，有时候他们也需要出庭作证。
Forensic scientists often work in crime scene LABS, analyzing DNA, fingerprints, weapons, and other evidence, and sometimes testifying in court.
DNA鉴定还被应用于侦破犯罪案件。从犯罪现场采集的DNA样本经分析鉴定，如果和嫌疑犯的 DNA结构一样，那么就可以证明该嫌疑犯是犯罪分子了。
DNA fingerprinting has also been used in criminal cases, with a match of a suspect's DNA with DNA from a crime scene being used to convict suspects.
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