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Erika Lyn Smith, Erika Lyn Smith

Erika Lyn Smith - Erika Lyn Smith - is a Psych RN, who has completed the UMSL Medicolegal Death Investigator Training Course, and is finishing a BS in ...

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Trace Evidence

Welcome to Trace Evidence @ Suite101.

At any crime scene exists trace evidence. Trace evidence happens when there is contact between the perpetrator and any item in his or her surroundings. Trace evidence can result from the perpetrator bringing with him or her something into the crime scene from another place or the outsdoors or can be taken from the scene iwhen the perpetrator leaves. The importance of collecting and analyzing trace evidence is of obvious importance and why it is imperative investigators do not contaminate the scene during the investigation. To learn more about trace evidence read this article.

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Leading Contributors

Latest articles in Trace Evidence

 The Locard Exchange Principle and the Transfer of Trace Evidence

The Locard exchange principle is the belief that "every con­tact leaves a trace" according to Dr. Edmund Locard, a French forensic scientist.

Oct 25, 2011 – Erika Lyn Smith

Crime Scene Investigation Using Forensic Geology

Soil samples collected as trace evidence during a crime scene investigation are analyzed for various characteristics that help locate the scene of the crime.

Mar 14, 2010 – Melissa Murfin

Hair Analysis Using Forensic Microscopy

Hair samples are commonly found as trace evidence at crime scenes. Microscopic evaluation of the hair is key to developing a profile of the individual to whom it belongs.

Mar 8, 2010 – Melissa Murfin

Overview of Forensic Hair Analysis

Hair is commonly found at crime scenes and generally present on unidentified bodies. Significant information for identification can be determined through hair testing.

Mar 2, 2010 – Melissa Murfin

Forensic Analysis of Terrorist Explosive Devices

Terrorist bombings require an international approach to forensic investigation. Crime scene analysis involves identifying the type of explosive used.

Dec 30, 2009 – Melissa Murfin

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