Students learn, and then get a chance to test their skills on six sets of skid marks. Impression Evidence: Identifying Fingerprints, Bite Marks, and Tire Treads (Hardback). Forensics Tire Impression: Learn SKID MARKS no prep - Forensics Impressions Evidence! Learn how CSI use skid marks to determine how fast a car was moving when it hit the breaks! Was the driver going over the speed limit at the time of the accident? This tire impression evidence is important for investigating hit and runs and traffic accidents.Truly NO PREP! No direct instruction needed, nothing for you to do but share the Slides with your students. Toolmarks are an impression left by an object, scrape marks, shearing marks, etc. Toolmarks From Purdue University Forensic Science Department. such evidence are specified by the Scientific Working Group for Shoe print and Tire. Forensics Tire Impression Evidence Notes + Review, NO PREP - Your students will learn all about Tire Impression Evidence from this student-independant interactive Google Slides. How impression evidence works Footprints, Tire Tread and Tool Marks.Similarly, unknown tire track impressions are searched using Tire Tread Design Guides. ![]() More Forensics Tire Impression Resources: In the trace evidence section, the tire tracks from the scene can. And some impressions may not match any of your suspect tires!ĭrag and drop interactive Google Slides - 100% digital, great for distance learning and in class.įull instructions are included on the Google Slides for students - truly NO PREP! Nothing for you to do but share the Slides with your students. Impression evidence can be defined as objects or materials that have retained the characteristics of other objects through direct contact. Provide information to identify the type or size of vehicle in question. Determine the wheelbase or turning diameter of a vehicle. Tire track evidence can: Positively match a suspect vehicle. ![]() Portable high-resolution automated 3D imaging for footwear and tire. If properly collected the tire tread impression is extremely valuable in proving a suspect vehicle was present at a crime scene. Students determine which tire left each impression.īut don't be fooled! Some suspects were at more than one crime scene. Byard went on to opine that these marks corresponded to the pattern of tire tread. Students are presented with five suspect tires and eight tire impressions. Four stones wedged into the rear passenger-side tire on a Nissan Altima rented to Aaron Hernandez helped investigators match it to a tire track left at the scene of Odin Lloyd's body. ![]() Give your students the chance to test their observation skills with this Tire Impression Evidence activity.
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