I receive many questions from authors and writers, as well as curious folks who ask questions about impression evidence–and what falls into this category. This is a previous post that gives you some foundation for what makes up impression evidence and how important it is to searching a crime scene area.
“There is no branch of detective science that is so important and so much neglected as the art of tracing footsteps”, simply stated by the fictional detective character, Sherlock Holmes from A Study in Scarlet written in 1881.
How important is impression evidence?
The short answer: It is extremely important to any crime scene investigation.
I find the various types of impression evidence to be a fascinating study. This is the one area, with exception to the study of the psychological aspect of a criminal, which really piques my forensic interest and it poses a great opportunity for my crime fiction as well.
Impression evidence comparison is based upon the details of the particular object of interest that can be examined for distinctive and unique details.
Various impression evidence left behind at a crime scene is similar to fingerprint evidence in that it is in two or three-dimensional…
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