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Forensic Science - Forensic Science In The Federal Bureau Of Investigation

analysis section laboratory evidence

Since its establishment in 1932, the FBI Laboratory has been a world leader in the scientific analysis of physical evidence related to crime. From its location in the J. Edgar Hoover FBI Building, in Washington, D.C., the laboratory provides a wide range of free forensic services to U.S. law enforcement agencies. The laboratory is divided into several major departments: the Document Section, Scientific Analysis Section, Special Projects Section, Latent Fingerprint Section, and Forensic Science Research and Training Center.

The laboratory's Document Section examines paper documents, ink, shoe and tire tread designs, and other forms of evidence related to a wide variety of crimes, including forgery and MONEY LAUNDERING. It performs linguistic analysis of documents to determine authorship. It also evaluates the validity and danger of written threats. Its Computer Analysis and Response Team recovers evidence, including encrypted information, from computer systems—evidence that is crucial to the prosecution of WHITE-COLLAR CRIME. The Document Section also maintains files of bank ROBBERY notes, anonymous EXTORTION letters, and office equipment specifications.

The Scientific Analysis Section has seven divisions: Chemistry Toxicology, DNA Analysis/Serology, Elemental and Metals Analysis, Explosives, Firearms-Toolmarks, Hairs and Fibers, and Materials Analysis. This section's analysis of blood, semen, and saliva assists the investigation of violent crimes such as murder, rape, assault, and hit-and-run driving. Its research also provides insight into many other crimes, including bombings, ARSON, drug tampering, and poisoning.

The services provided by the Special Projects Section include composite sketches of suspects, crime scene drawings and maps, videotape and audiotape analysis and enhancement, and analysis of electronic devices such as wiretaps and listening devices.

The Latent Fingerprint Section examines evidence for hidden fingerprints, palm prints, footprints, and lip prints.

The Forensic Science Research and Training Center offers classes to law enforcement officials from the United States and other countries. These classes cover DNA analysis, the detection and recovery of human remains, arson and bomb blast investigation, and many other topics.

To better perform its research, the laboratory maintains files on many kinds of physical evidence, including adhesives, ammunition, paint, and office equipment. The laboratory also provides experts who will furnish testimony on the nature of the evidence.

The laboratory publishes the Handbook of Forensic Science to explain its forensic services to law enforcement agencies. The handbook outlines procedures for safely and effectively gathering evidence from crime scenes and shipping it to the laboratory for analysis.

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