Types of Evidence
Physical Evidence
Class vs Individual Evidence
(Blank)
Reliability of Eyewitnesses
100

You have learned that there are different types of evidence used in court trials. They are

A. testimonial

B. custodial

C. circumstantial

D. physical

E. biological

A, B, C

A, B, E

A, C, D


There are 3

A, C, and D

testimonial, circumstantial, and physical

100

Physical evidence requires that a questioned or unknown sample must be compared to a _________________________


Unknown must be compared to a
____known sample___

100

A table that is smashed into small pieces is an example of 

A. physical evidence

B. individual evidence

C. class evidence

A and B

A and C

B and C

A and B

The table is considered physical and individual because of the matching parts. 

100
  • Block off the perimeter and maintain a strict entry log starting after the 1st police officer enters the crime scene

Correct or incorrect

Nope. Block the perimeter as soon as the crime scene is discovered. 

100

Witnesses are not influenced by their relationship with the person who has been accused

True or False

False, they can be influenced by their relationship with the accused

200

A witness who points to man in the courtroom who says, "That's the man who assaulted me."

is an example of 

A. physical evidence

B. circumstantial evidence

C. testimonial evidence

C. testimonial evidence
200

When the phhysical or chemical characteristics of a substance is identified, it must also be shown to be _______________ to the crime itself

A. Contradictory

B. identical

C. relevant

D. similar

The characteristics must be shown to be ___relevant___ to the crime itself

200

Green pieces of a glass bottle would be considered individual evidence only if ________________


It is considered individual only if the pieces fit together like a puzzle.

200
  • Wear PPE: Use gloves, masks, and suits to prevent cross-contamination.

PPE stands for personal protective equipment


Yes.

200
What a witness remembers about a less serious crime is more accurate than if the witness is reporting on a serious crime.


True or False

True.
High-stress, violent or severe crimes often disrupt memory accuracy due to extreme psychological trauma.

300

Fiber, hair, and fingerprints are examples of

A. biological evidence

B. physical evidence

A. and B. 

Neither A nor B

Both A and B

300

Physical evidence can be used to ____________ a witness's testimony

A. refute/not support

B. corroborate/support

C. can be used to either support or refute a witness's testimony

C. Physical evidence can show that a witness testimony is false or true. 

300

Fibers from a sweater that look like the original sweater are considered

A. class evidence

B. individual 

A. class evidence

300
  • Document First: Take photos, videos, and detailed sketches before touching anything

True or False


Yes. Document the scene FIRST.

300

If a long period of time has passed since a witness made their observations of a crime, their accuracy in reporting what they saw

A. becomes more clearly ingrained in their memory

B. becomes less clear in their memory

B. Accurate memories of a situation usually fade over time.

400

an annoying new sound coming from the loud speaker is an example of 

A. testimonial evidence

B. physical evidence

C. circumstantial evidence

C. circumstantial evidence

400

The major role of the forensic scientist is to determine if there are links among the evidence, the victim, the crime scene, and the ______________

All of these must be compared to the suspect

400

The bloodtype of the blood found on a leather glove at Nicole Simpson's condo that matches the bloodtype of the blood found on the leather glove behind OJ Simpson's guesthouse is an example of 

A. physical evidence

B. circumstantial evidence

C. trace evidence

D. individual evidence

E. class evidence

A. B. and C

A, D, and C

A, C, and E

Bloodtype is 

Physical

Trace

Class

Blood DNA is Physical, Trace, and Individual to a specific person

400
  • Prioritize Fragile Items: Collect transient or easily lost evidence first.

True or False

True!

400

Your friends can influence how accurately you can recall the events in a crime even when they don't mean to influence your version of what you observed. 

True or False

True, you can be influenced by others even if they don't mean to influence you.

500

Which type of evidence is more reliable?

A. testimonial evidence

B. physical evidence 

B. physical evidence
500

A reconstruction of a crime scene can allow the events of a crime scene to be documented

True or False

Yes, true

500

The blue and black cotton fibers from Ron Goldman's shirt that were also found on socks found in his bedroom are considered

A. physical

B. trace

C. class

A and B

A and C

A, B, and C

Fibers in general would be
A.physical,
B. trace, and
C. class.

If the fibers fit the shirt like puzzle pieces the fibers would be considered physical, trace, and individual evidence.


500
  • Package Properly: Use plastic for biological samples and DNA; use airtight metal/glass for arson liquids.

True or False

False! Biological samples have to be placed in PAPER bags.

500

Five people, 2 teenagers, 1 police officer, 1 3-yr old child, and 1 elderly person all witness the same crime.They will accurately describe what the crime in the same way. 

True or False

False. They are very different people so they may perceive a crime in different ways.