For the past five years, forensic scientists have been taking advantage of their ability to collect Touch DNA, small samples of DNA from evidence that has been handled by suspects. However, new research has found that bacteria may be the next generation of forensic evidence used in police investigations. Learn more about key research studies focused on the benefits and feasibility of using bacterial fingerprints as evidence.
By Dr. Dena Weiss
The first officer at the scene walks a fine line regarding their actions at a crime scene. Upon arrival, crime scene investigators (CSI’s) would like to be provided a general idea of what occurred, but at the same time they do not want an officer to disrupt the crime scene.
By Dena Weiss, professor of criminal justice at American Military University
The dynamics involved in crime scene examination have captured the hearts of Americans, often through exciting portrayals on television dramas and movies. Gathering forensic evidence has been portrayed by the media as being easily seen, quickly collected, and rapidly analyzed—resulting in solved cases in a matter of hours.