THE APPLICATION OF DNA IDENTIFICATION TECHNIQUES IN THE CRIMINAL JUSTICE FIELD

Abstract

DNA is the unique scientific, accurate and exclusive nature of DNA as an inherent "identity card" for everyone. DNA identification techniques make use of these characteristics of DNA to match the biological traces left at the crime scene by the perpetrator of the crime with the data in the DNA database, using scientific and technological analysis methods. This is used to prove its relevance to an investigation. However, DNA evidence is not infallible and has its "Achilles' Heel". Based on this situation, this article examines the development of DNA identification technology, the factors that affect the accuracy of its findings, and the value of its application in the field of criminal justice, through interviews, literature research, case studies, generalizations and empirical research. In the study, certain recommendations are given on technical standards, the development of sound laws and regulations, and the enrichment of DNA databases. Some practical improvement strategies are proposed for the increasing improvement of DNA identification technology in China and its greater function in the detection of cases by public security authorities.