Unit 1 Exam: Introduction to Forensics & Criminal Investigation

Locard’s Exchange principle supports all of the following claims, 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 jacket.

• Leaves and soil can be carried from the yard into your home.

Direct evidence can include all the following except:

• a. a toxicology report

• b. a signed ransom note

• c. a surveillance film

• d. a sample of hair

Which type of crime scene search pattern is shown in the image below?

• spiral

• grid

• quadrant

• line/strip

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 influencing one another.

• protect them from the perpetrator.

Correct collection of evidence requires which of the following?

• documenting the location where the evidence was found

• correct packaging of the evidence

• maintaining proper Chain of Custody

• all of the above

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

• a scale of distance

• a North direction

• date and location of the 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 includes first-hand observations.

• Direct evidence includes first-hand observations, while circumstantial evidence is used to imply a fact.

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

• Locard's Exchange Principle

• Chain of Custody

• Frye Standard

• Daubert Standard

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" by assessing the reliability and relevance of the information presented by the expert.

• According to Locard's Principle of Exchange, the judge will need to rule the expert witness as "admissible" by assessing the reliability and relevance of the information presented by the expert.

• According to the Frye Standard, the judge will need to rule the expert witness as "admissible" by assessing the reliability and relevance of the information presented by the expert.

• According to the Innocence Project, the judge will need to rule the expert witness as "admissible" by assessing the reliability and relevance of the information presented by the expert.

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

• a casing

• a Chain of Custody log

• a bindle

• a forensics search pattern