Before Dna Testing Existed In Aid Of Crime Solving, Simple

899 WordsApr 19, 20174 Pages
Before DNA testing existed in aid of crime solving, simple logic was used, but since the late 1800s, DNA testing has advanced. DNA analysis is used for comparing samples from a crime scene to a database of possible offenders. Forensic scientists have developed various technologies for analyzing offenders’ DNA, such as the Combined DNA Index System, the Automated Fingerprint Identification System, the National Integrated Ballistics Identification Network, and trace evidence. These systems help investigators by linking “previously unrelated cases” ( Morton and Hilts 29). The Combined DNA Index System, or CODIS, is an arrangement that links DNA between various districts in the United States. CODIS includes DNA from suspects, crime scenes,…show more content…
NIBIN originated from the Bureau of Alcohol, Tobacco, and Firearms and Explosives’ Integrated Ballistic Identification System and from the Federal Bureau of Investigation’s Drugfire Cartridge Case Imaging System. Depending on the severity of the case, NIBIN can search across the United States or in local areas for information. Because there are so many technological and scientific advances in forensics, it is easier to be pinned down for a crime. Another reason why the total number of serial murders has decreased is that modern forensics makes it difficult to get away with such crimes. The public’s interest in serial murders gives room for the media to make an enticing story line. The media hires talking heads, who speak on serial murder cases. These talking heads call themselves experts, but tend to be enthusiasts. They usually don’t have any actual facts from an investigation, and this leads to a lot of misconceptions about serial killers themselves. Some misconceptions include that serial killers are loners, are insane or smart, and that they are only motivated by sex. These misconceptions initiated by the media’s talking heads make serial killers seem more interesting when most serial killers take initiative in their communities, have many motives,

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