Impression Evidence

How are shoeprints and tire tracks similar in terms of impression evidence?

• They both provide evidence of airborne objects

• They both provide evidence of sound waves

• They both provide evidence of contact between an object and a surface.

• They both provide evidence of temperature changes

Explain the process of footwear analysis and how it is used in forensic investigations.

• Footwear analysis is used in forensic investigations to match a shoe to a specific individual or brand based on wear patterns and unique characteristics.

• Footwear analysis is not used in forensic investigations

• Footwear analysis is used to identify the type of flooring in a crime scene

• Footwear analysis involves analyzing the material used to make the shoes

What are the different methods used for collecting impression evidence at a crime scene?

• Fingerprinting, handwriting analysis, DNA testing

• Photography, lifting, casting, and 3D scanning

• Interviewing witnesses, analyzing blood spatter, collecting hair samples

• Measuring tire tracks, analyzing tool marks, examining bite marks

Why is it important to document and preserve impression evidence properly?

• To make the evidence more difficult to analyze

• To ensure the admissibility and effectiveness of the evidence in investigations and court proceedings.

• To allow for tampering with the evidence

• To save time and resources

How can the size and depth of a shoeprint or tire track provide valuable information in a criminal investigation?

• By providing information about the weight, height, and speed of the individual or vehicle involved in the crime.

• By indicating the favorite color of the individual or vehicle involved

• By revealing the favorite food of the individual or vehicle involved

• By providing information about the weather conditions at the time of the crime

What are some of the challenges faced in analyzing and interpreting impression evidence?

• Age, gender, height

• Temperature, humidity, pressure

• Distortion, variability, specialized expertise

• Color, texture, size

Describe the role of impression evidence in linking a suspect to a crime scene.

• Impression evidence is irrelevant in linking a suspect to a crime scene

• Impression evidence helps match the impressions found at the scene to those of the suspect's belongings or vehicle.

• Impression evidence is only used in civil cases, not criminal cases

• Impression evidence can only be used to identify the victim, not the suspect

What are some of the advancements in technology that have improved the analysis of impression evidence in recent years?

• Manual measurement tools

• Old-fashioned photography

• 3D scanning technology, digital imaging software, and computer algorithms for pattern recognition

• Pencil and paper

Tags

NGSS.HS-ETS1-4

What are "Plastic" impressions?

• 3-D imprints left in a soft substance

• 2-D impressions that are visible to the unaided eye

• Impressions hidden to the eye but can be made visible using development techniques

• Impressions that are easily lost and must be documented right away with casting

A saliva sample from a dental impression an example of individual evidence.

• true

• false