Crime Scene Investigation.

Crime Scene Investigation: A Guide for Law Enforcement by the Technical Working Group on Crime Scene Investigation of the National Institute of Justice addresses fundamental principles of investigating a crime scene and preserving evidence that yield reliable information. Law enforcement and other responders responsible for protecting crime scenes, preserving physical evidence, and collecting and submitting the evidence for scientific examination represent the targeted audience of this research report. It is not a comprehensive or rigid scheme of activities, but a guide for law enforcement that recognizes the authority of federal and state statutes, case law, and local policies and procedures. The report also contains a glossary and lists of references and contact organizations.