JDS Criminalistics provides consultation and forensic examination in the following
General Case Review | Examination of
Physical and/or Photographic Evidence | Crime Scene Examination | Bloodstain
Pattern Analysis | Shooting Incident Reconstruction | Crime Scene
Reconstruction | Latent Print Examination | Shoe/Tire
Impresion Examination | Vehicle Lamp Examination | Tests for Biological Fluid Stains
| Forensic Photography | Crime Scene Diagrams
General Case Review
Very often a comprehensive review
of a criminal case by an experienced forensic examiner can reveal areas that were not fully explored by the original
investigating agency. I will carefully examine reports, photographs, diagrams, and any other case documentaion
in order to search for and locate these areas. I will also evaluate the strengths and weaknesses of the
case in regard to the forensic and crime scene evidence, and determine if further examination, analysis, or documentation
would be beneficial to the client's case.
Examination and Evaluation of Physical and/or Photographic Evidence
The examination of physical and photographic evidence can reveal significant
information. I will carefully evaluate such evidence in order to assist the client in discovering any pertinent
details of the case that may have been previously overlooked.
If requested, I will visit the crime scene (or any peripheral scene or location
involved in the case) and examine, document, analyze, and collect evidence from the scene.
Bloodstain Pattern Analysis
I will perform a bloodstain pattern analysis in an attempt to determine the events that may or may not have taken place
during the commission of a crime that involves bloodshed. As part of this analysis, I'll examine various
hypotheses/scenarios regarding the actions of those involved in the case and, based upon the physical evidence, either include
or exclude these hypotheses/scenarios.
Shooting Incident Reconstruction
examine and analyze crime scenes that involve the discharge of firearms in order to attempt to determine the bullet flight
path of the projectile(s), as well as the possible positions of the victim(s) and assailant(s) during the incident.
Crime Scene Reconstruction
I will examine and analyze evidence in order to reconstruct the crime scene. A complete crime scene reconstruction
involves a combination of interdisciplinary analyses (bloodstain patterns, bullet flight paths, etc.) in an attempt to determine
various events that occurred during the commission of the crime and, in some cases, the sequence of these events. A
crime scene reconstruction often results in plausible theories as to what took place, as well as the elimination of theories
that are not supported by the evidence.
Latent Print Examination
In any case in which friction ridge impressions (fingerprints, palm prints, bare footprints) may become important, I will
evaluate and/or compare impressions in order to (1) determine the value of the impressions, or (2) identify the donor of the
impressions, or (3) eliminate particular persons from having left the impressions. I'll also educate the client
regarding the nature of friction ridge impression processing, comparison, and identification, if desired.
Shoe/Tire Impression Examination
In any case in which footwear impressions or vehicle tire impressions may become important, I will (1) evaluate the impressions
in order to determine the value of the evidence and/or (2) compare crime scene impressions to known tires or items of footwear
in an attempt to either identify the item that made the impressions or to eliminate particular items (shoes or tires) from
having made the impressions. I'll also educate the client regarding the nature of footwear/tire impression evidence
processing, comparison, and identification, if desired.
In addition to the general photographic documentation of crime scenes and physical evidence, forensic photography may include
the use of close-up (macro) photography, UV fluorescence photography, and other specialized digital and photographic
techniques that can help to visualize and demonstrate important aspects of the evidence.
Crime Scene Diagrams
Like the rest of us, the majority of jury members are visually oriented. Because of this, courtroom
illustrations are often extremely valuable in helping a jury better understand the crime scene or the facts of the case. If
desired, I will provide professional crime scene diagrams, animations, timelines, charts, etc. to be used as
demonstrative evidence during criminal proceedings.
Tests for Biological Fluid Stains
In cases of suspected biological stains on clothing or other items of
evidence, I will perform a variety of tests to include microscopic examinations, fluorescence examinations, and
presumptive or confirmatory chemical tests in order to help determine if blood, semen, or urine are present.
Vehicle Lamp Examination
In cases of automobile crashes, it is very often
important to determine whether vehicle lamps (headlights, tail lights, brake lights, turn indicators) were on or off at the
moment of impact. I will perform a thorough forensic examination of the physical evidence in order to help make these