Forensic Terms

Physical Evidence

Any object that can establish that a crime has been committed, or can provide a link between a crime and its victim, or between a crime and its perpetrator.

Photograph Analyst

A specialist who breaks down photographic images to identify suspects and to measure items and people within those images.

Petechial Hemorrhage

Small, pin-like hemorrhages that occur beneath the skin. Usually observed on the lining of the inner surface of the eyelids. This is a common result of death by asphyxiation or strangulation.

Perspective Analysis

In order to determine the size of objects within a given photograph, analysts will identify one item in that photograph and measure the distance between that item and the camera used to make the photograph. This perspective allows them to measure everything in the photograph.


The study of the essential nature of diseases and especially of the structural and functional changes produced by them.


The study of the anatomy, growth, and diseases of the teeth. In the absence of other factors, ondontolgy can be used to identify human remains.


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Forensic Files® is a pioneer in the field of fact-based, high-tech, dramatic storytelling. This series of television programs delves into the world of forensic science, profiling intriguing crimes, accidents and outbreaks of disease from around the world. is the official source for information about the program — and the premier online destination for video and information on Forensic Science.

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