Speakers: Dr. Tatiana Trejos, Dr. Luis Arroyo, and Dr. Suzanne Bell.
Offered By: FTCOE
Achieved Video Available.
Rapid and Effective Identification of Organic and Inorganic Gunshot ResiduesRead More
Trace Evidence
Cosmetic Trace Evidence
A tissue containing a faint stain was submitted to determine if evidence of a make-up stain was present. Although the tissue had been previously analyzed by another laboratory (to no avail) and only a single, barely stained area of the tissue remained, Microtrace, LLC was able to use light and electron microscopy to characterize the …
Trace Evidence for the Crime Laboratory
Speaker: Susan Gross, MSFS.
Offered By: FTCOE.
Achieved Video Available.
The OSAC Materials (Trace) Subcommittee
The Organization of Scientific Area Committees Materials (Trace) Subcommittee for Forensic Science focuses standards and guidelines related to the examination and interpretation of physical evidence that may result from the transfer of small or minute quantities of materials (e.g., hairs, fibers, paint, tape, glass).
Trace Evidence
The trace evidence discipline includes the examination of small (trace) particles of evidence such as hair, fiber, paint, glass, tape, fire debris, and gunshot residue.
OSAC Registry Approved Standards
Organization of Scientific Area Committees for Forensic Evidence (OSAC) is developing documentary standards for each forensic discipline. Standards under consideration as well as approved standards are available in the OSAC Registry.
Wrongful Conviction: Junk Science – Hair Microscopy Evidence
In this podcast episode, Josh Dubin speaks with Vanessa Antoun, Senior Resource Counsel at the National Association of Criminal Defense Lawyers (NACDL) to learn about Hair Microscopy Evidence. Even when examined under a microscope, the similarities that can be observed between two hairs are open to wide interpretation, there are no definitive traits that can …
Wrongful Conviction: Junk Science – Hair Microscopy EvidenceRead More