Forensic sciences play a vital role in the criminal justice system by providing investigators with scientifically based information through the analysis of physical evidence.

During an investigation, forensic evidence is collected at a crime scene, analyzed in a laboratory and often presented in court. Each crime scene is unique, and each case presents its own challenges. Complex cases may require the collection, examination and analysis of a large amount of evidence. These cases may involve multiple forensic experts with backgrounds in biology, chemistry, physics, computer science and other disciplines. These forensic scientists work separately to analyze the evidence in a particular case. For example, one forensic examiner might analyze a latent print, another may compare carpet fibers using a microscope and a third may identify a white powder that was collected at the scene. The investigators will then combine all of the examiners' objective results to build a case.

Through the National Institute of Justice’s (NIJ) Forensic Technology Center of Excellence (FTCoE), law enforcement, crime laboratories and other criminal justice agencies can access a wide variety of forensic science support and expertise.


The National Law Enforcement and Corrections Technology Center (NLECTC) provides the Law Enforcement & Corrections Technology News Summary as a service to law enforcement, corrections and forensic science practitioners. The summary includes abstracts of articles from major national newspapers, business magazines, websites, national and international wire services, and periodicals focusing on law enforcement and corrections technology.

Please note that providing synopses of articles on law enforcement and corrections technology or the mention of specific manufacturers or products does not constitute the endorsement of the U.S. Department of Justice or NLECTC.

Reproduction of this text is encouraged; however copies may not be sold, and the NLECTC Law Enforcement & Corrections Technology News Summary should be cited as the source of the information.

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The publication resources located here represent publications that have resulted from NIJ funding, from NLECTC projects or from other Department of Justice programs or offices.

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