Deck 6: The Expert Witness

Question 1

Which individual listed below authored the sketch of Timothy McVeigh (Oklahoma City bombing)?

A) Edward Gorey
B) Nicholas Wukelich
C) Salvador Dahli
D) Gil Zamora
E) Jay Boylan

Answer 1

E

Question 2

What was the most significant fact that the neighbor Charlotte Witherspoon shared with Jenkins during her interrogation?

A) That her son was the last to see Erica.
B) The son bought her the house that she is currently living in.
C) She suspects her son may be involved in drugs.
D) Chuck Beamer had shown an unhealthy interest in Erica
E) She had not seen Erica for over a week.

Answer 2

D

Question 3

What evidence indicates that the neighbor, Chuck Beamer, had an unusual relationship with Erica when she was growing up?

A) Took her to the movies on occasion
B) Played catch with her in his front lawn
C) Bought her a bicycle when she was 10 years old
D) Would take her to the playground every month.
E) Took her to Baskin-Robbins every week

Answer 3

C

Question 4

How long had Chuck Beamer known Erica?

A) When she and her family moved into the neighborhood at age 10.
B) Since she was born
C) For the last 2 years
D) For only a few weeks
E) None of the above.

Question 5

What did Lt. Jenkins ask the Beamers to provide at the police station?

A) Sworn testimony about their relationship with Erica
B) History of their whereabouts over the last month
C) Submit DNA and fingerprints
D) Financial records of their stock transaction investments
E) Tax records over the past 5 years

Question 6

Lt. Jenkins, at the outset, was upset at being partnered on this missing person's case. Is there any indication that he has made some concessions or appears willing to work things out with Miss Chang? Cite any evidence in this chapter that would validate your response.

Question 7

According to Charlotte Witherspoon's testimony, interpret what she meant by Chuck Beamer "had an unhealthy relationship with her (Erica)". Cite specific examples in the text.

Question 8

During the interview of the Beamers, was there anything about the way this couple interacted with each other that would lead one to believe that they may be involved in Erica's disappearance? State evidence that may or may not validate your hypothesis.

Question 9

What is the central idea (s) in this chapter?

Question 10

An expert witness who is asked to testify in a court of law is a….

A) A person who has the proper education in the particular discipline
B) A person who has the proper training in the particular discipline.
C) A person who has the proper expertise in the particular discipline.
D) A person who has specialized in the particular discipline.
E) All of the above

Question 11

What is the function of the medical examiner?

A) Determine identity of individual
B) Certifying death of person
C) Determining manner of death
D) All of the above
E) Choices 'a' and 'b' are correct

Question 12

Rigor, algor and livor mortis are ways to determine time of death. Which one of these states of death is based on the cooling rate of the body?

A) Rigor mortis
B) Algor mortis
C) Livor mortis
D) All of the above
E) Choices "a' and 'c' are correct

Question 13

What is the approximate rate at which a body cools?

A) 1.5 ^oC/hr. under colder ambient temperature
B) 0.75 ^oC/hr. under warmer ambient temperature
C) 1.5 ^oC/hr. under warmer ambient temperature
D) Choices 'b' and 'c' are correct
E) Choices 'a' and 'b' are correct

Question 14

A dead body is stiff and rigid to the touch. What degree of mortis and approximately how much time has passed since death?

A) Algor mortis; 24 hrs. or less
B) Livor mortis; approximately 12 hrs.
C) Rigor mortis; approximately 48 hrs. To 72 hrs.
D) None of the above
E) Choices 'a' and 'b' are correct

Question 15

Livor mortis is the……

A) stiffening of the corpse
B) rate of body temperature change post mortem
C) interaction of muscle proteins actin and myosin
D) pooling of blood to the lowest part of the body
E) bloating of the body due to bacterial decomposition

Question 16

Which function or task does a forensic odontologist not perform.

A) Generate a DNA profile
B) Analyze bite marks
C) examine dental X-rays
D) produce dental casts
E) testify in a court of law

Question 17

Select the correct sequence of stages a fly goes through.

A) eggs, adult, maggot, larva, pupa
B) adult, eggs, larva, maggot, pupa
C) maggot, larva, pupa, adult, eggs
D) pupa, eggs, maggot, larva, adult
E) adult, eggs, maggot, larva, pupa

Question 18

Ted Bundy, notorious serial killer, was convicted based on what evidence he left on many of his victims?

A) fingerprints
B) fiber
C) hair
D) bite marks
E) none of the above

Question 19

A forensic entomologist can use insects to extract information about a corpse
To determine…

A) time of death
B) if body was moved
C) if deceased had ingested drugs
D) none of the above
E) Choices 'a', 'b', and 'c' are correct

Question 20

In the Danube River Case (Vienna, Austria), what type of evidence was used to help convict a criminal?

A) blood spatter evidence
B) dental records
C) botanical evidence
D) eye witness
E) all of the above

Question 21

If the medical examiner suspected a drug related death, that examiner would
Collect a fluid sample from the corpse. What department/individual would process this fluid for the presence of drugs?

A) DNA department
B) Trace evidence department
C) Odontology department
D) Toxicology department
E) Entomology department

Question 22

One instrument or technique that is NOT used to identify an unknown chemical substance is….

A) High Pressure Liquid Chromatography
B) Thermocycler
C) Gas Chromatography Mass Spectrometry (GCMS)
D) Gas Chromatography (GC)
E) Thin layer chromatography (TLC)

Question 23

In chromatography, retention time means…

A) length of time it takes for the molecule to enter the column
B) length of time it takes for the molecule to pass through 5% of the column's length
C) length of time it takes for the molecule to pass through a column
D) length of time it takes for the molecule to pass through 50% of the column's length
E) length of time it takes for the molecule to pass through 25% of the column's length

Question 24

Gas Chromatography Mass Spectrometry is based on…

A) imparting a charge on the molecule
B) ionized molecule passing through a quadrupole
C) differentiation based on the molecules charge-to-mass ratio
D) all of the above
E) Choices 'a' and 'c' are correct

Question 25

A common method employed by Internet criminals is to…..

A) purchase items using another person's eBay or Amazon account
B) post a fictitious website (e.g., indicating you are eligible to receive money)
C) entice children into sex
D) None of the above
E) Choices 'a', 'b', and 'c' are correct

Question 26

Internet criminals are sometime unaware or ignorant of thinking…

A) that incriminating evidence on their computer cannot be retrieved once deleted on their computer
B) that they are not being monitored while using their personal computer to participate in chat rooms popular with minors
C) that their computer is evidence that can latter be used against them
D) all of the above
E) Choices 'a' and 'b' are correct

Question 27

A Breathalyzer involves the following chemical ingredients…

A) Potassium dichromate
B) Alcohol
C) Sulfuric Acid
D) Reduction-Oxidation reaction
E) all of the above

Question 28

Chromatography is a chemical techniques used to….

A) separate out different molecules within a mixture
B) amplify a region of DNA
C) determine the salinity of a water solution
D) to determine the pH of a solution
E) all of the above

Question 29

Chromatography involves two different phases that are used to separate a chemical mixture. These phases are called the…..

A) insoluble and soluble phases
B) stationary and soluble phases
C) stationary and mobile phases
D) mobile phase and solvent phase
E) none of the above

Question 30

The term reference standards means…

A) known quantities of an item
B) what the evidence or unknown item is compared to
C) the same as the term controls
D) a standard protocol component when analyzing physical evidence
E) all of the above

Question 31

The R_f value is….

A) the distance the solvent travels.
B) calculated by dividing the distance the solvent travels by the distance the chemical component travels.
C) a relative distance a chemical component migrates relative to the distance the solvent travels.
D) expressed as a number greater than 1.0
E) none of the above

Question 32

Which one of the following items is not associated with thin-layer chromatography……

A) a chamber or tank is needed to accommodate the solvent
B) glass capillary tubes are needed to apply the drug to solid surface
C) a set of reference samples needs to be run concurrently
D) a UV light source is required to be able to see the location of the separated chemicals components
E) polymerase chain reaction

Question 33

Molds and casts are used in recreating a bite mark, tool mark impression, or tire tracks, etc. The terms mold and cast mean…

A) Mold is the hole left by an object, cast is the result of filling that void with the appropriate media.
B) The words mold and cast mean the same thing.
C) The bite mark left on the surface is an example of a mold.
D) Choices 'a' and 'c' are correct.
E) Choices "b' and 'c' are correct.

Question 34

A forensic entomologist and forensic botanist are hired to……

A) perform chromatographic analysis of air samples
B) take soil samples to determine the chemical environment at a crime scene
C) analyze fluid samples from a dead body
D) identify insects and plants associated with a crime
E) secure the area around a crime scene

Question 35

Insects found on a dead body can tell a forensic entomologist….

A) cause of death
B) approximate time of death
C) who the perpetrator was
D) the climatic conditions when the person died
E) all of the above

Question 36

An illegal drug shipment has been seized and brought to your forensic laboratory. Explain how you will process this sample to extract information that may be of value to authorities.