This article explores the history, process, and uses of DNA profiling in the criminal justice system. DNA profiling is a highly advanced scientific technique that utilizes the uniqueness of an individual’s genetic composition for identification purposes. By comparing the DNA found at a crime scene to a suspect’s DNA samples, forensic scientists can determine if there is a match, making it an essential tool in forensic science. The document also discusses the limitations of DNA profiling and provides examples of DNA profiling cases.