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Criminalistics
50 Questions - Developed by:
Caleb
- Developed on:
2014-05-01
- 27,306 taken - 2 people like it
Review for Final
1
Which of the following pieces of evidence would be more probative in associating the defendant to the victim in a murder trial?
A fiber found on the defendant's jacket when he was arrested that is similar to those from the carpet at the crime scene.
A bloodstain found on the defendant's jacket that subsequently matches the victims DNA profile.
Eyewitness testimony of a neighbor who saw someone matching the defendant's build at the scene.
A hair found on the defendant's jacket that is similar to those of the victim's dog.
2
Which of the following would be considered a known sample?
Hair from the crime scene.
Bloodstains.
Buccal swabs from the suspect.
Unburned carpet from an arson scene.
3
You arrive at the scene of a homicide and see a blood-soaked shirt on the floor. Once it is properly documented, which of the following containers should you place it in for transportation to the crime lab?
The trunk of a police car.
A sealed paint can.
A sealed plastic bag.
A paper bag.
4
The forensic practitioner's sole obligation is to serve the aims of _____________________.
The legal system.
Justice.
The prosecutor.
Their agency.
5
Which of the following is a major task that the first responder must be concerned with?
Arresting the suspect.
Contacting their supervisor to apprise them of the situation.
Protecting the crime scene.
Calling for back-up.
6
This principle is associated with processing crime scenes and is often summarized as "every
contact leaves a trace?"
Locards Exchange Principle.
Bertillion's Principle.
Lacassagne's Principle.
Trace Evidence Principle.
7
When is it appropriate for the first responding officer to move a piece of evidence?
Only when the scene is secured.
When he is charged with the responsibility of processing the scene for physical evidence. Correct
If the crime is serious such as a homicide.
When the evidence is a gun.
8
The position of __________ and ____________ may reveal the direction of the shot and
possibly the location of the assailant:
Cartridge cases, fibers.
Bullets, cartridge cases.
Bullets, fingerprints.
Bullets, firearms.
9
The notion of _________________ in criminal investigations is a key factor to the solution of
the case.
Experience
Teamwork
Duty
Expertise
10
Which of the following can be a benefit of doing a complete and thorough investigation?
The guilty are punished
A confession can be substantiated
A victim can find closure
The case can be closed
11
What important lesson can be learned from the O.J. Simpson trial?
Detectives must never consider economic status of the suspect when undertaking a criminal investigation.
Appearance and perception, as well as the ability to communicate effectively to the jury are equally important.
CSI's must never make mistakes or the trial can be easily lost.
Only the most experienced personnel should be used in high profile cases.
12
You are called to a scene of an apartment fire with multiple victims. Which of the following
specialized personnel would be helpful in identifying the victims?
Cadaver dog handler.
Forensic nurse.
Forensic dentist.
Emergency room physician.
13
You are the lead investigator in a homicide case where the suspect claims that he shot the
victim in self-defense as he was coming at him with a knife. You have several bullet holes at
the scene and want to determine the distance between the shooter and the victim by examining
the bullet trajectories. Which of the following persons would be the most helpful?
Forensic audio specialist.
Coroner's investigator.
Firearms examiner
ID officer
14
Which of the following is an important detail to include in your notes when investigating a
burglary scene?
All of the above.
The description of the scene and the surrounding location.
The name of the victim.
Lighting conditions.
15
You are tasked with searching for footwear prints on the floor at the scene of a breaking and
entering. Once located, how would you collect these shoeprints?
None of the above.
Make a detailed and scaled drawing of the pattern.
Use an electrostatic dust lifter.
Use oblique lighting.
16
You are processing a vehicle that had been stolen from a homicide victims home. Which of
the following would be the most appropriate course of action?
Fingerprint the interior and then the exterior and then collect any hairs or fibers.
Use specialized chemicals to search for fingerprints and then collect trace evidence after the chemicals dry.
Fingerprint the interior and then vacuum for trace evidence.
Collect trace evidence from the interior first and then process for fingerprints.
17
This type of sketch is the most appropriate for depicting only the horizontal plane of the crime
scene:
Elevation.
Perspective,
Floor plan.
Exploded.
18
Which of the following chemicals would be the most appropriate when attempting to locate
fingerprints on the sticky side of tape?
Gentian violet
DFO
SPR
Ninhydrin
19
Which of the following choices is an alternative to taking inked fingerprints from suspects?
NIBIN
CODIS
Livescan
AFIS
20
Which of the following items would be classified as trace evidence?
All of the above.
Glass shards.
Safe insulation.
Soil.
21
When dealing with a homicide victims clothing, which of the following procedures is the best
way to capture any trace evidence?
Examine the clothing for trace evidence prior to transporting the body for an autopsy and collect any items that you find.
Allow the clothes to fully dry on the body before transporting to the autopsy.
Remove the clothes at the scene and package together to minimize cross-contamination.
Let the medical examiner collect the clothing at the autopsy.
22
Which of the following techniques would be the best method for collecting fibers found on the
floor at the point of entry at a homicide scene?
Tape lifts.
Vacuum.
Using forceps.
All are acceptable.
23
There are two general categories of bloodstains: __________________ and transfer stains.
Volume
Cast-off
Splatter
Voids
24
Which of the following is a presumptive chemical used for screening blood at a crime scene?
SPR
PCR
Leucomalachite green
Acid Phosphatase
25
Which of the following is the correct pairing of bases within the double helix?
A-T, G-C
A-A, G-T
C-A, T-G
A-C, G-T
26
You have been assigned a case where human skeletal remains have been found at a city dump. Which of the following DNA techniques would you use to identify the victim?
RFLP
MtDNA
STR
PCR
27
Which of the following could be an individual characteristic that might be found on a footwear
impression at a crime scene?
Size
Width
Marks of nails and pegs
Brand of the footwear
28
How many pounds of dental stone would be needed for a typical footwear impression?
10
6
2
4
29
Which of the following procedures must be done when casting a tire impression is snow?
Spray the impression first with Snow Print Wax
Mix the dental stone quickly so it does not freeze
Use a baffle to pour in the mixture
Use an electrostatic lifter prior to pouring in the mixture
30
You are called to the scene of a burglary and notice a footwear print in cooking oil on top of
the kitchen cabinet near a broken window. Which of the following techniques would be the best
way to collect this print?
Dental stone casting
Rubber lifter
Photographing the print at an oblique angle
Sulfur casting
31
Which of the following are the two groups of firearms?
Long arms and handguns.
Rifles and shotguns.
Single shot and multiple shot.
Revolvers and semi-automatic.
32
__________________________s/are found in gun barrels and imparts a twisting motion on the bullet as it leaves the barrel.
Rifling.
Ridges.
Minutia.
Imperfections.
33
Typically, how long will GSR remain on the shooters hands?
24 hours.
6 hours.
1 hour.
3 hours.
34
Which of the following can be used to determine the approximate position of the shooter?
Cartridges.
All of the above.
Bullets.
Cartridge cases.
35
In a contact shot to a victim there is often blood found within the barrel of the handgun. This
is called:
Spatter pressure.
Forward spatter.
Low velocity spatter.
Backspatter.
36
Which of the following marks found on cartridge cases can be used to identify the make of
the firearm?
Grooves.
Lands.
Striations.
Extractor.
37
Arson is defined as the _____________ and malicious burning of anothers property or the
burning of ones own property for some illegal purpose.
Reckless.
Negligent.
Willful.
Illegal.
38
Of the following items, which can be used as an igniter to start a fire?
All of the above.
Matchbook.
Sodium and water.
Black Powder.
39
This type of explosive is designed to be detonated by shock and have high detonation
velocities:
Black Powder.
Medium.
High.
Low.
40
Which of the following items can be used to ignite heat-sensitive explosives such as black
powder?
RDX.
C-3.
Flashbulbs.
TNT.
41
During a post blast investigation, which of the following is a main concern for the crime
scene investigator?
Bringing the guilty party to justice.
Dealing with the media.
Collecting probative evidence.
Safety of crime scene personnel.
42
Psychoactive drugs are defined as substances that affect the users ______________
process and change his or her mood, thinking, perception, and behavior.
Coping.
Central Nervous System.
Psychological.
Physical.
43
Which of the following would be an example of a central nervous system depressant?
Cocaine.
MDMA.
Ethanol.
Caffeine.
44
Which of the following are the three classes of designer drugs?
MDMA, Adam, XTC.
Fentanyl analogs, meperidine analogs, MDMA.
Ecstasy, Adam, Fentanyl analogs.
Meperidine analogs, XTC, PCP.
45
Which of the following can be a problem area when investigating a child molestation case?
Obtaining consent from the parents.
Obtaining a search warrant.
The childs ability to testify in court.
The collection of probative evidence.
46
Which of the following is an example of a crime classified as public lewdness?
Elder abuse.
Masturbating in public.
Sexual imposition.
Rape.
47
Which of the following individuals have extensive training in medicine and death investigation
and respond to death scenes to assist the medical examiner in determining the cause and
manner of death?
Criminalist.
Medicolegal Investigator.
Forensic Examiners.
Forensic Anthropologist.
48
This type of bloodstain is created when the victim expels blood through the mouth or nose:
Swipe.
Cast-off.
Expirated.
Volume.
49
Which of the following pieces of equipment would help you to find the location of buried
remains?
Forensic Light Source.
Alternate Light Source.
Side scan sonar.
Ground Penetrating Radar.
50
Which of the following are usually the first insects to attack a dead body?
Beetles.
Larvae.
Maggots.
Flies.
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