The Forensic Casebook

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The Forensic Casebook By: N.E. Genge The Forensic Casebook is like a forensics encyclopedia for beginners. It described distinctive facets of crime scene investigation like the different techniques used in securing a crime scene, collecting prints, interpreting the stages of a body’s decay and photographing the crime. We were also introduced to the increasing use of detection dogs and how they are used in helping solve crimes. The single most important role associated with solving a crime - is protecting the crime scene starting with the first police officer that arrives on the scene and it doesn’t end until it has been released from police custody. Upon arriving at the scene, officers have a number of responsibilities that begin…show more content…
Up until I read this book I was clueless as to how crucial footwear evidence could be in establishing a timeframe that a suspected individual was at the scene of a crime. Investigators can tell a lot by a person’s gait or the manner in which they walk. For instance, they are able to establish a person’s height based off the distance in each stride as well as determine if the he was moving, tip toeing, running or standing still because different parts of foot strike surfaces differently with each movement. Even though no other evidence may have been left at the crime scene, forensic scientists are able to use footwear impressions to mirror the activities of the perpetrator. Since it is hard for experts to determine exactly how many people may have been present at the crime scene, it’s important for them to identify class characters or distinguishing marks from the shoe imprints. By determining the size and ridge designs on the bottom of the shoes they are able to distinguish specific pattern designs that are indicative to brand manufacturers such as Nike and Reebok. These identifying marks make it a lot easier for forensics experts to identify the who, what, where and when of a crime…show more content…
K9 or sniffer dogs have played a valuable role in aiding law enforcement to detect and locate people, drugs and bombs for decades. The 200 million sensitive cells in an average dog’s nose coupled with an organ in the roof of its mouth allows the dog to actually taste a smell which in essence increases its ability to detect odors long after the original scent is gone. One would think that with a dogs powerful sense of smell it might be confused by all of the different odors in the air; however, it’s not. They are able to distinguish between each and every odor that they encounter, even if one is more overpowering than the
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