Forensics Unit 1 Exam

Locard's Exchange principle implies all of the following except:

• Fibers can be transferred from one person to another.

• Blood spatter is used to identify blood type.

• Cat hair can be transferred to your pants.

• Soil samples can be carried from the yard into your home.

The reason that it is important to separate witnesses at a crime scene is to__.

• Prevent contamination of the evidence

• Prevent fighting among witnesses

• Prevent the witnesses from talking to one another

• Protect them from the perpetrator

A crime-scene sketch should include all of the following except ___.

• A scale of distance

• A North direction

• Date and location of crime scene

• The type of search pattern that was used.

Which of the following best describes the difference between circumstantial evidence and direct evidence?

• Direct evidence can lead to the conviction of a suspect, while circumstantial evidence cannot.

• Direct evidence is not admissible in court; however, circumstantial evidence is admissible with the approval of a judge.

• Direct evidence is used to imply a fact, while circumstantial evidence proves an alleged fact.

• Circumstantial evidence is used to imply a fact, while direct evidence proves an alleged fact.

The documented and unbroken transfer of evidence is known as ____.

• Chain of Custody

• Locard's Exchange Principle

• Frye Standard

• Daubert Ruling

The prosecution of a criminal case wants to bring in an expert witness to testify and give their expert opinion about the decomposition of human remains. Which of the following is necessary before the witness can testify?

• According to the Daubert ruling, the judge will need to rule the expert witness as "admissible."

• According to Locard's Principle of Exchange, the judge will need to rule the expert witness as "admissible."

• According to the Frye Standard, the judge will need to rule the expert witness as "admissible."

• According to the Innocence Project, the judge will need to rule the expert witness as "admissible."

An important part of handling evidence is shown below. The "X" represents the location of small evidence. What does this picture represent?

• Casing

• Chain of Custody

• Bindle

• Diagram

Which of the following evidence is considered to be direct evidence?

• A fingerprint on a doorknob

• A fiber from a couch found on a victim's shirt

• Blood from victim under fingernails of suspect

• A confession to police

Which of the following evidence is considered to be biological?

• Impressions

• Fingerprints

• Shell casings

• Hair

How would the set of keys be classified?

• Biological evidence

• Direct evidence

• Class evidence

• Individual evidence