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For impression evidence, _____ is used to describe the part of a tire that meets the road.
Tread pattern
For impression evidence, _____ is used to describe the part of a tire that meets the road.
Tread pattern
In _____, databases for footwear and tire impressions were developed.
2007
_____ impressions are hidden from the unaided eye.
Latent
If someone is limping, the impressions may reveal _____.
An asymmetrical gait
For a vehicle tire marked P225/75R16, the last two numbers indicate _____.
Wheel diameter
_____, bite-mark impression evidence was considered to be sufficient, and scientific evidence was used to convict a person.
Prior to 2009
_____ is a shoe pattern database.
Solemate
The use of _____ techniques allows investigators an inexpensive and objective method of individualizing wear patterns.
FTIR
_____ points of comparison may be used when comparing dental impressions and bite-mark impressions.
As many as 76
Skid marks form _____.
When one or more wheels lock
The track width of a vehicle is measured _____.
From the center of the tread of a tire to the center of the tread of the opposite tire
Tire scrubs are _____.
Used to determine the area of impact of a collision
A light truck with 18-inch, 275 mm wide radial construction wheels with an aspect ratio of 60, the information on the sidewall would be _____.
LT275/60R18
When analyzing shoe or foot impressions, _____.
length and width of a shoe vary by the shoe type and style
When lifting latent foot or shoe impressions, _____.
electrostatic lifting can reveal impressions in fine dust
Clean feet can transfer sweat and oils from the skin onto a polished floor and leave _____.
impressions that are not visible to the unaided eye
National guidelines for the standardization of traffic collision reconstruction experts were funded _____.
in 1985 by the NHTSA
In 2009, the release of the NAS report, Strengthening Forensic Science in the United States: A Path Forward, challenged the role and significance of impression evidence. As a result of this report, _____.
root canals and associated dental X-rays are considered individual evidence
CSIs arrive at a scene near a four-way stop on a paved county road. The stop signs are facing north, east, west, and south. A body is lying on the grass several feet from the edge of the pavement and just a few feet south of the south-facing stop sign. The body shows signs of traumatic injury. Vegetation in the area appears undisturbed. Straight, black marks are present on the pavement. The marks are light to the south of the stop sign and get progressively darker until ending a few feet north of the stop sign. Based on this preliminary information, a vehicle _____.
traveling northbound suddenly hit the brakes hard and traveled into the intersection before stopping
only the Jeep Grand Cherokee has a tight enough turning diameter
Police investigate "doughnuts" in a parking lot after neighbors complain. Several tread marks are found. The smallest of the circles measures 38 feet from side to side. The largest circle measures 40 feet from side to side. The neighbors report that boys from the neighborhood could be responsible. When interviewing the families, investigators learn that only three vehicles could have been used. None of the vehicles have 4WD. The three vehicles are a Ford F-350, a Dodge Ram, and a Jeep Grand Cherokee. Based on the tire mark evidence, _____.
only the Jeep Grand Cherokee has a tight enough turning diameter
