Before the discovery of DNA information in the 1980s, fingerprints were the easiest way to solve serious crimes.
在20世纪80年代 DNA 信息被发现之前，指纹是解决重大犯罪最简单的方法。
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Indian media reports say the materials include recording of telephone conversations between the attackers and their handlers, as well as forensic materials, such as DNA samples and fingerprints.
印度媒体报导，这些材料包括袭击者跟协调者之间的电话录音，以及DNA样本和指纹等法医物证。
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These provide material for DNAfingerprints, which have since been mapped for the whole of Africa.