Crime Scene Analysis

Introduction
The purpose of the Handbook of Forensic Services is to provide guidance and procedures for safe and efficient methods of collecting and preserving evidence and to describe the forensic examinations performed by the FBI Laboratory.

FBI Laboratory Services
The successful investigation and prosecution of crimes requires, in most cases, the collection, preservation, and forensic analysis of evidence. Forensic analysis of evidence is often crucial to demonstrations of guilt or innocence.

The FBI Laboratory is one of the largest and most comprehensive forensic laboratories in the world. Services of the Laboratory are available to

FBI Field Offices and Legal Attachés;


U.S. Attorneys, military tribunals, and other federal agencies for civil and criminal matters; and


All state, county, and municipal law enforcement agencies in the United States and territorial possessions for criminal matters.
All Laboratory services, including expert witness testimonies, ar...