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Welcome to Forensic Science
The official website created by Michael V. Martinez, MSFS- Forensic Scientist Supervisor specializing in the analysis and legal interpretation of Trace Evidence.


In 2005, Mr. Martinez was honored as one of the top "20 Scientists Who Have Helped Shape Our World".

This prestigious acknowledgment was presented by The National Science Resources Center-NSRC (www.nsrconline.org), an organization formed by the Smithsonian Institution (www.si.edu) and the National Academies (www.nas.edu) in 1985.



Click on the NSRC Seal to View the PDF of the Top
"20 Scientists Who Have Helped Shape Our World"




Mr. Martinez has been invited as a distinguished guest lecturer on the subject of primer gunshot residue (P-GSR) to European Union members of the European Network of Forensic Science Institutes (ENFSI) Conferences held in Germany, Denmark and Croatia.

Mr. Martinez has also provided lectures to the Congress of the Brazilian Society for Microscopy and Microanalysis (CBMM) and provided highly specialized training to the Royal Thailand Police (RTP) and Central Institute of Forensic Science (CIFS).

In addition, Mr. Martinez has given a well received lecture to the Microscopy and Microanalysis Conference in San Antonio.

Mr. Martinez is held in high regard as a guest lecturer, trainer and consultant to many interested in the Forensic aspects of Forensic Trace Evidence Analysis and currently sits as co-chairman to the newly formed Scientific Working Group of Gunshot Residue (SWGGSR), and is a distinguished member in good standing with the Southwestern Association of Forensic Scientists (SWAFS).


Mr. Martinez has also been featured on three episodes of the critically acclaimed, award winning television series Forensic Files® seen in 142 countries worldwide and distributed in the United States on TruTV .

"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."


Episodes featuring Mr. Martinez are:

-CRITICAL MANEUVER; episode 285

-INSULATED EVIDENCE; episode 297

-SHATTERED INNOCENCE; episode 313


Mr. Martinez provides forensic services in criminal investigation cases for over 160 law enforcement agencies throughout Texas, Oklahoma, Florida, Louisiana, Arizona, Nevada, Montana, Wisconsin, Minnesota, North Dakota, South Dakota, Washington, New York, New Jersey, for the Federal Bureau of Investigation (FBI), Alcohol, Tobacco and Firearms (ATF), the Royal Cayman Islands Police Force, and the Royal Virgin Islands Police Force.

In addition, Mr. Martinez is a court accepted expert witness for many state and local municipalities in Texas, Nevada, Minnesota, Washington, Louisiana, New York, South Dakota, for the U.S. Federal Courts, the United Kingdom/British West Indies of the Cayman Islands and has provided expert consultation and/or testimony to many high profile criminal cases.



Specific areas of expertise include microscopic characteristics and comparisons of natural fibers, synthetic fibers, human hair and animal hair identification, primer gunshot residue (P-GSR) analysis, gunshot residue- (GSR) distance determination and gunpowder identification, explosive residue identification, post-blast investigation and collection of evidence, physical match comparisons, forensic glass analysis and comparison, paint identification and composition, digital photography and general crime scene processing.


Mr. Martinez has also provided his experience in an advisory capacity to CNN Headline News the Nancy Grace show.



Within this website are educational resources of value to forensic scientists, the legal community, and individuals inquiring about Forensics. Information such as a basic evolutionary history of forensics in the United States, concepts of trace and transfer evidence and analysis, and an understanding of scanning electron microscopy/energy dispersive x-ray analysis, and information pertaining to the International Association for Microanalysis (IAMA) are provided within. Forensic event listings and related Forensic Science links have also been meticulously chosen to provide the most informative events and links to the reader.


Information in this website is updated regularly to address additional topics of interest and new developments in the field of Forensic Science.


Click below to view other webpage's designed by Michael V. Martinez.



Event Listings

The annual Asssociation of Firearm and Toolmarks Examiners (AFTE) Tranining Seminar. www.afte.org

The Midwestern Association of Forensic Scientists (MAFS) Annual Conference. www.mafs.net

Southwestern Association of Forensic Scientist (SWAFS) Annual Conference. www.swafs.us

Technical Working Group for Fire and Explosives (TWGFEX) Annual Conference. www.twegfex.org

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