Forensic Science Posts


Forensic Sciences & Forensics: Science in Law

Posted: January, 1999 in Forensic Science

What is Forensic Science? Forensic science is the use of science in the service of the law.  Sciences used in forensics include any discipline that can aid in the collection, preservation and analysis of evidence such as chemistry (for the identification of explosives), engineering (for examination of structural design) or biology (for DNA identification or […]

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The U.S. Federal Bureau of Investigation and the FBI’s forensic laboratory

Posted: December, 1995 in Forensic Science

The Federal Bureau of Investigation or FBI was created by Attorney General Charles J. Bonaparte in 1908 to serve as the main investigative agency for the United States Department of Justice (USDOJ). When Bonaparte announced that there would be a new investigative unit, it was only a small group of unnamed Special Agents who would […]

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Little Known Facts and Common Perceptions About Forensic Science

Posted: January, 1995 in Forensic Science

Did you know? – The term “forensic” is derived from the Latin word “forensis,” which comes from the word “forum.” A forum was a public place in Rome where the courts heard trials and orations were delivered, hence its usage today as meaning belonging to or used in a court of law. Forensic science is […]

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Summary of Forensic tape enhancement

Posted: October, 1993 in Forensic Science

Enhancement of tape recorded voices to facilitate transcription & aural identification Bruce E. Koenig Federal Bureau of Investigation Summary and Conclusion Under investigative conditions, individuals can reliably identify voices that are well known to them, but the accuracy rate drops to approximately 78% to 83°/o when unfamiliar voices are compared to known voice samples. The […]

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Spectrographic Comparisons

Posted: October, 1993 in Forensic Science

Enhancement of tape recorded voices to facilitate transcription & aural identification Bruce E. Koenig Federal Bureau of Investigation Spectrographic Comparisons The spectrographic laboratory technique is the most well-known and possibly the most accurate of the laboratory testing procedures presently available for comparing verbatim voice samples under forensic conditions. However, some scientists believe that aural identifications […]

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Forensic tape enhancement: aural identification of recorded voices (unfamiliar)

Posted: October, 1993 in Forensic Science

Enhancement of tape recorded voices to facilitate transcription & aural identification Bruce E. Koenig Federal Bureau of Investigation Aural comparisons of unfamiliar voice samples rely on short-term memory. For example, a woman receives a number of different telephone inquiries regarding a classified advertisement. She then receives an obscene telephone call, and she tries to remember […]

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Forensic tape enhancement: aural identification of recorded voices (familiar)

Posted: October, 1993 in Forensic Science

Enhancement of tape recorded voices to facilitate transcription & aural identification Bruce E. Koenig Federal Bureau of Investigation Ongoing law enforcement operations throughout the world are continually capturing the voices of suspects with miniature transmitter/receiver systems, analog and digital on-the-body recorders, telephone intercept devices, and concealed room microphones. Since these recordings are normally utilized for […]

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