Council on Forensic Sciences Update

Forensic sciences.

As part of the Columbian College of Arts and Sciences’ natural, mathematical, and biomedical sciences programs, forensic sciences provides an understanding of the integration of forensic disciplines with the investigation of criminal activity, while providing an overview of the analytical methods, procedures, equipment, and data used by forensic specialists. Coursework emphasizes the identifica...

Biosensors in forensic sciences

A biosensor is a device that uses biological materials to detect and monitor the presence of specific chemicals in an area. Traditional methods of volatile detection used by law enforcement agencies and rescue teams typically consist of reliance on canine olfaction. This concept of using dogs to detect specific substances is quite old. However, dogs have some limitations such as cost of trainin...

Postmortem chemistry update. Emphasis on forensic application.

This article reviews the postmortem chemistry of body fluids. The articles reviewed have been written in English during the last 15 years and the subjects discussed include carbohydrates, nitrogenous compounds, electrolytes, trace elements, lipids, proteins, bile pigments, enzymes, hormones, blood gases, pH, biochemical markers, metabolic disorders, SIDS, time of death, and the physical charact...

Vocal Forgery in Forensic Sciences

This article describes techniques of vocal forgery able to affect automatic speaker recognition system in a forensic context. Vocal forgery covers two main aspects: voice transformation and voice conversion. Concerning voice transformation, this article proposes an automatic analysis of four specific disguised voices in order to detect the forgery and, for voice conversion, different ways to au...

American Academy of Forensic Sciences