Tool Marks And Impressions

Question 1

Patent Impressions

Answer 1

2 dimensional impressions

Question 2

Plastic impressions

Answer 2

3 dimensional

Question 3

Sole

Answer 3

The pattern on the bottom of a piece of footwear

Question 4

Tire groove ):

Answer 4

A depressions in the tread pattern

Question 5

Tire rib

Answer 5

An individual ridge of tread running down the tread area and around the circumference of the tire

Question 6

Tire ridge

Answer 6

Elevated area on the tread pattern

Question 7

Track width

Answer 7

The distance from the center of the tread pattern on the LEFT tire to the center of the tread pattern on the corresponding RIGHT tire

Question 8

Tread pattern

Answer 8

The unique design of a tires surface

Question 9

Wheelbase

Answer 9

The distance from the center of the FRONT axle on the vehicle to the center of the REAR axle

Question 10

Abrasion mark

Answer 10

A mark produced when a surface slides across another surface

Question 11

Cutting mark

Answer 11

A mark produced along the edge as a surface is cut

Question 12

Indentation Mark

Answer 12

A mark or impression made by a tool on a softer surface

Question 13

Tool Mark

Answer 13

Any impression, abrasion or cut made when context occurs between a tool and object

Question 14

Latent impressions

Answer 14

Hidden impressions

Question 15

True or false? Correct the statement if it’s false.

There are two basic types of impressions: patent and latent

Answer 15

False

3 basic types of impressions plastic, patent and latent

Question 16

True or false? Correct the statement if it's false. 
Impressions are always considered class evidence only.

Answer 16

False 
Impressions can be considered class or individual evidence depending on the situation

Question 17

True or false? Correct the statement if it’s false.

Before anyone touches or alters an impressions it should be photographed

Answer 17

True

Question 18

True or false? Correct the statement if it’s false.

Footprints can be removed from snow

Answer 18

True

Question 19

True or false? Correct the statement if it’s false.

Tire patterns are generic and difficult to trace

Answer 19

False

There is a tread pattern database which keeps tire patterns information

Question 20

True or false? Correct the statement if it’s false.

The front and rear track width of a vehicle is always the same.

Answer 20

False

Sometimes

Question 21

True or false? Correct the statement if it’s false. Dental work and dental impressions can be matched to a particular suspect.

Answer 21

True

Question 22

True or false? Correct the statement if it’s false.

The cut edges of a board show abrasion marks.

Answer 22

True

Question 23

True or false? Correct the statement if it’s false.

Hammers can create indentation marks.

Answer 23

True

Question 24

True or false? Correct the statement if it’s false.

The cutting pattern of a used hacksaw blade is the same as a Stryker saw.

Answer 24

False

Different

Question 25

True or false? Correct the statement if it's false. | Rust, chips, and dents on a hammer can produce individualized tool Mark impressions.

Answer 25

True

Question 26

True or false? Correct the statement if it's false. | If a tool make impression is matched to a specific tool, then the owner of that tool must have been at the crime scene.

Answer 26

False | The tool Mark is from the tool not necessarily try person

Question 27

True or false? Correct the statement if it's false. | New screwdrivers of the same size snd brand always leave the the same tool Mark impression

Answer 27

False | There could be manufacturing errors or wear even before use

Question 28

True or false? Correct the statement if it's false. | Tool impressions can be cast using silicone based materials

Answer 28

True

Question 29

What's are the two measurements found on a car? What's the difference between them?

Answer 29

Track width: front tire to front tire | Wheelbase: front tire to back tire

Question 30

List characteristics of teeth that would allow it to be used as individual evidence?

Answer 30

Braces, cavity fillings, shape of tooth

Question 31

What characteristics of shoes are noted when trying to match a shoe print found at a crime scene with a shoe print of a suspects shoe?

Answer 31

Sole pattern and individualized markings

Question 32

Two different tools were used to strike a piece of board. Two impressions were made in the wood. Assuming the same person used the tools to make the impression, what characterstics could be used to distinguish one tool from the other?

Answer 32

All measurements (length, width and depth) - Characteristics of the tool (teeth, striations) - individualized mark from wear

Question 33

What is an example of an abrasion

Answer 33

From a file

Question 34

What is an example of a cut

Answer 34

Wire cutters

Question 35

What is an example of an indentation

Answer 35

Hammer head on wood

Question 36

What part of the jaw is the mandible

Answer 36

Bottom of the jaw

Question 37

What part of the jaw is the maxima

Answer 37

Top of the jaw