Unit 3: Documentation of Crime Scene - Practice Quiz

FSC110 — Crime Scene Investigation Laboratory 60 Questions
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1 What is a crime scene sketch primarily used for?

preparing rough and final sketch for indoor crime scene using different sketching methods Easy
A. Recording accurate measurements and locations of evidence
B. Identifying fingerprints at the scene
C. Replacing the need for photographs entirely
D. Determining the time of death

2 A rough sketch of a crime scene is usually prepared:

preparing rough and final sketch for indoor crime scene using different sketching methods Easy
A. By the courtroom artist
B. Weeks after the investigation
C. Only after leaving the scene
D. At the scene during the investigation

3 Which statement about a rough sketch is TRUE?

preparing rough and final sketch for indoor crime scene using different sketching methods Easy
A. It is not drawn to scale
B. It is prepared in an office
C. It is never used in court
D. It is always drawn to exact scale

4 The final sketch of a crime scene is characterized by being:

preparing rough and final sketch for indoor crime scene using different sketching methods Easy
A. Made without measurements
B. Drawn freehand at the scene
C. Drawn to scale and neatly prepared
D. Incomplete and rough

5 The sketching method that measures an object from two fixed points is called:

preparing rough and final sketch for indoor crime scene using different sketching methods Easy
A. Triangulation method
B. Baseline method
C. Polar coordinate method
D. Compass point method

6 The method where evidence is measured from two fixed walls at right angles is known as the:

preparing rough and final sketch for indoor crime scene using different sketching methods Easy
A. Grid method
B. Triangulation method
C. Rectangular coordinate method
D. Polar method

7 Which of the following should a crime scene sketch always include?

preparing rough and final sketch for indoor crime scene using different sketching methods Easy
A. The suspect's confession
B. A legend or key
C. A photograph of the victim
D. The investigator's opinion

8 An indicator showing direction on a crime scene sketch is the:

preparing rough and final sketch for indoor crime scene using different sketching methods Easy
A. Legend
B. Compass direction (North arrow)
C. Scale bar
D. Title block

9 Which sketching method is most suitable for large outdoor crime scenes?

drafting rough and final sketch for outdoor crime scene using different sketching methods Easy
A. Triangulation method
B. Cross-projection method
C. Elevation method
D. Rectangular coordinate method

10 In the baseline method, evidence is measured relative to:

drafting rough and final sketch for outdoor crime scene using different sketching methods Easy
A. A straight reference line
B. The photographer's position
C. A moving vehicle
D. The nearest tree only

11 Why are fixed reference points important in outdoor sketching?

drafting rough and final sketch for outdoor crime scene using different sketching methods Easy
A. They remove the need for a legend
B. They speed up photography
C. They replace measurements
D. They allow the scene to be reconstructed later

12 Which of these is a good fixed reference point for an outdoor scene?

drafting rough and final sketch for outdoor crime scene using different sketching methods Easy
A. A permanent utility pole
B. A pile of leaves
C. A parked car that may move
D. A wandering pedestrian

13 The grid method of sketching divides the scene into:

drafting rough and final sketch for outdoor crime scene using different sketching methods Easy
A. Random circles
B. A single straight line
C. Squares of equal size
D. Triangles only

14 What information should be noted on every crime scene sketch?

drafting rough and final sketch for outdoor crime scene using different sketching methods Easy
A. The suspect's alibi
B. Date, time, and location
C. Jury instructions
D. The weather forecast for next week

15 The first photographs taken at a crime scene should be:

recording indoor and outdoor crime scene by photography method Easy
A. Overall (long-range) views
B. Photos of the investigators
C. Photos taken after evidence is moved
D. Extreme close-ups only

16 Which sequence correctly describes crime scene photography?

recording indoor and outdoor crime scene by photography method Easy
A. Overall, mid-range, then close-up
B. Close-up, overall, then mid-range
C. Mid-range, close-up, then overall
D. Close-up, mid-range, then overall

17 A scale (ruler) is placed next to evidence in a photograph to:

recording indoor and outdoor crime scene by photography method Easy
A. Show the size of the evidence
B. Replace measurements in the sketch
C. Add decoration
D. Hide part of the evidence

18 Crime scene photographs should ideally be taken:

recording indoor and outdoor crime scene by photography method Easy
A. After cleaning the scene
B. Before any evidence is moved
C. After evidence is collected
D. Only once at the end

19 A photograph taken with a scale is called a:

recording indoor and outdoor crime scene by photography method Easy
A. Panoramic photograph
B. Silhouette photograph
C. Comparison (or evidence-establishing) photograph
D. Overall photograph

20 What is a photographic log used for?

recording indoor and outdoor crime scene by photography method Easy
A. Storing physical evidence
B. Interviewing witnesses
C. Recording details of each photo taken
D. Sketching the scene

21 An investigator is sketching a rectangular room where a body lies near the center. To fix the exact position of the body, the investigator measures its distance from two adjacent walls at right angles. Which sketching method is being applied?

preparing rough and final sketch for indoor crime scene using different sketching methods Medium
A. Rectangular coordinate method
B. Polar coordinate method
C. Triangulation method
D. Baseline method

22 While making a rough sketch of an indoor scene, an officer records measurements to a piece of evidence from two fixed reference points (e.g., two corners of a doorway) and notes both distances. Which method produces the intersecting-arc fix used here?

preparing rough and final sketch for indoor crime scene using different sketching methods Medium
A. Cross-projection method
B. Grid method
C. Rectangular coordinate method
D. Triangulation method

23 To show blood spatter on the walls and the position of items on the floor simultaneously, an investigator draws the room as if the walls have been folded outward flat around the floor plan. This technique is called the:

preparing rough and final sketch for indoor crime scene using different sketching methods Medium
A. Baseline method
B. Cross-projection (exploded) method
C. Rectangular coordinate method
D. Bird's-eye method

24 A rough sketch is drawn at the scene while a final sketch is prepared later. Which statement correctly distinguishes the two?

preparing rough and final sketch for indoor crime scene using different sketching methods Medium
A. The rough sketch is not to scale, while the final sketch is drawn to scale
B. The final sketch omits measurements to keep it uncluttered
C. Both are always drawn to exact scale using drafting tools
D. The rough sketch is drawn to scale, while the final sketch is freehand

25 A room measures 6 m by 4 m and is drawn on paper at a scale of . What are the dimensions of the room on the final sketch?

preparing rough and final sketch for indoor crime scene using different sketching methods Medium
A.
B.
C.
D.

26 Which element is considered essential on every crime scene sketch, whether rough or final?

preparing rough and final sketch for indoor crime scene using different sketching methods Medium
A. A colored artistic rendering of the room
B. A photograph of the investigator
C. Only the case number
D. A legend/key and a direction indicator (North arrow)

27 At a large outdoor scene, an investigator establishes a straight reference line between two fixed points and measures each item's perpendicular distance from that line plus its distance along it. Which method is being used?

drafting rough and final sketch for outdoor crime scene using different sketching methods Medium
A. Triangulation method
B. Cross-projection method
C. Baseline method
D. Rectangular coordinate method

28 Why is the triangulation method often preferred over the rectangular coordinate method for outdoor crime scenes?

drafting rough and final sketch for outdoor crime scene using different sketching methods Medium
A. Triangulation avoids the need for any measurements
B. Outdoor scenes usually lack two perpendicular fixed walls, but fixed reference points can still be chosen
C. Rectangular coordinates cannot be measured with a tape
D. Triangulation does not require any reference points

29 An item is located by measuring its distance and its angle (bearing) from a single fixed reference point. This outdoor sketching technique is the:

drafting rough and final sketch for outdoor crime scene using different sketching methods Medium
A. Baseline method
B. Rectangular coordinate method
C. Polar coordinate method
D. Grid method

30 When choosing reference points for an outdoor triangulation sketch, which choice is most appropriate?

drafting rough and final sketch for outdoor crime scene using different sketching methods Medium
A. Permanent immovable objects such as building corners or fixed posts
B. Loose rocks scattered near the evidence
C. Parked vehicles that may be moved later
D. Temporary police barrier tape

31 A very large outdoor field is divided into equal squares with two sets of perpendicular parallel lines, and evidence positions are recorded by their square. Which sketching method is described?

drafting rough and final sketch for outdoor crime scene using different sketching methods Medium
A. Polar coordinate method
B. Baseline method
C. Grid method
D. Triangulation method

32 Two reference points are 20 m apart along a baseline. An item lies 8 m along the baseline from the first point and 3 m perpendicular from it. On a final sketch, where is the item plotted?

drafting rough and final sketch for outdoor crime scene using different sketching methods Medium
A. along and perpendicular
B. along and perpendicular
C. along and perpendicular
D. along and perpendicular

33 Crime scene photographs are generally taken in a specific sequence. Which order correctly reflects that progression?

recording indoor and outdoor crime scene by photography method Medium
A. Mid-range → close-up → overall
B. Close-up → mid-range → overall
C. Close-up → overall → mid-range
D. Overall (long-range) → mid-range → close-up

34 Why is a scale (ruler) placed beside an item in a close-up photograph, and why is a second photo often taken without it?

recording indoor and outdoor crime scene by photography method Medium
A. The scale replaces the need for measurements in the sketch
B. The scale shows true size, while a photo without it proves the scene was not altered
C. The scale adds color, while the second photo improves lighting
D. Both photos are identical and one is a backup only

35 For close-up photography of small evidence such as a fingerprint or toolmark, the camera should ideally be positioned so that the film/sensor plane is:

recording indoor and outdoor crime scene by photography method Medium
A. Tilted to catch reflected light
B. As far as possible from the evidence
C. Parallel to the surface of the evidence
D. At a 45° angle to the evidence

36 A photographic log should be maintained during crime scene photography. Which set of details is it primarily meant to record?

recording indoor and outdoor crime scene by photography method Medium
A. The retail price of the camera equipment used
B. Only the names of officers present at the scene
C. Weather forecasts for the following week
D. Photo number, description, distance, and camera settings for each shot

37 When photographing an outdoor scene in bright midday sunlight that casts harsh shadows over evidence, the best practice is to:

recording indoor and outdoor crime scene by photography method Medium
A. Use fill flash or a diffuser to reduce harsh shadows
B. Wait until complete darkness before photographing
C. Photograph directly into the sun for contrast
D. Avoid taking any close-up shots outdoors

38 Which statement about the relationship between crime scene photographs and sketches is correct?

recording indoor and outdoor crime scene by photography method Medium
A. Photographs alone are sufficient and sketches are unnecessary
B. Photographs are drawn to scale while sketches are not
C. Photographs capture detail but not accurate distances, so sketches provide precise measurements
D. Sketches show true colors better than photographs

39 In an indoor room, an investigator wants overall photographs that show all four corners and the full layout. The most effective approach is to:

recording indoor and outdoor crime scene by photography method Medium
A. Photograph from each corner toward the opposite side of the room
B. Use only extreme close-ups of the walls
C. Photograph only the doorway from outside
D. Take a single photo from the room's exact center

40 Which principle guides the sequence and completeness of crime scene photography before any evidence is moved?

recording indoor and outdoor crime scene by photography method Medium
A. Photograph only the items that appear most important
B. Photograph the scene in its original, undisturbed condition first
C. Clean the scene to improve photo clarity
D. Move evidence to better lighting before photographing

41 An investigator is sketching a rectangular room where a body lies near the center. To fix the body's position using the triangulation method, which minimum set of measurements is required for a single point on the body?

preparing rough and final sketch for indoor crime scene using different sketching methods Hard
A. One perpendicular distance from a single wall to that point
B. Two perpendicular distances from two adjacent walls to that point
C. One distance and one interior angle from a single reference point
D. Two distances from two fixed reference points to that single point

42 In the rectangular coordinate (baseline offset) method for an indoor scene, why are two mutually perpendicular walls chosen as reference axes rather than an arbitrary baseline?

preparing rough and final sketch for indoor crime scene using different sketching methods Hard
A. Walls are always longer than any drawn baseline
B. Walls provide fixed, permanent right-angle references that simplify perpendicular measurements
C. It eliminates the need for a scale on the final sketch
D. It allows the sketcher to avoid measuring the body entirely

43 A final indoor sketch is drawn to a scale of . A wall measuring in reality should be drawn as what length on paper?

preparing rough and final sketch for indoor crime scene using different sketching methods Hard
A.
B.
C.
D.

44 The cross-projection (exploded) sketch is uniquely suited for an indoor scene when evidence is located on which surfaces?

preparing rough and final sketch for indoor crime scene using different sketching methods Hard
A. Only on movable furniture
B. Only on the floor near the entrance
C. On the walls and ceiling as well as the floor
D. Only outdoors on the ground surface

45 Which statement correctly distinguishes the rough sketch from the final sketch of an indoor scene?

preparing rough and final sketch for indoor crime scene using different sketching methods Hard
A. The final sketch omits the legend that the rough sketch contains
B. The rough sketch is drawn to scale; the final sketch is freehand
C. Both must be drawn to exact scale at the scene
D. The rough sketch is drawn at the scene without scale; the final sketch is drawn to scale

46 When two objects in a room must both be located, an investigator uses triangulation but selects reference points that are only apart. What is the primary problem this introduces?

preparing rough and final sketch for indoor crime scene using different sketching methods Hard
A. The scale of the final sketch automatically changes
B. The measurements become impossible to record
C. Triangulation cannot be used with any two fixed points
D. Intersecting arcs meet at a very shallow angle, reducing positional accuracy

47 An indoor sketch legend lists items keyed by letters and numbers. What is the correct role of the legend relative to the sketch body?

preparing rough and final sketch for indoor crime scene using different sketching methods Hard
A. It records the exact scale ratio only
B. It substitutes for taking photographs
C. It identifies symbols so the sketch stays uncluttered and unambiguous
D. It replaces the need for a compass direction

48 In a large open field with no fixed structures, which sketching method is generally most appropriate for locating scattered evidence?

drafting rough and final sketch for outdoor crime scene using different sketching methods Hard
A. Rectangular coordinate method using room walls
B. Compass-point method from a single doorway
C. Baseline method using a fixed reference line between two permanent points
D. Cross-projection method

49 An outdoor scene sketch shows a body located using the polar/azimuth (compass point) coordinate method. What two pieces of data fix each point?

drafting rough and final sketch for outdoor crime scene using different sketching methods Hard
A. Two perpendicular offsets from a baseline
B. Two distances from two reference points
C. A single perpendicular from the nearest road
D. A distance and a bearing angle from a fixed reference point

50 Why must an outdoor final sketch always include a north arrow and, ideally, GPS coordinates of the datum point?

drafting rough and final sketch for outdoor crime scene using different sketching methods Hard
A. To indicate the wind direction at the time of the crime
B. To replace the requirement for a scale bar
C. To identify which investigator drew the sketch
D. To allow the scene to be relocated and oriented later without permanent walls as reference

51 An outdoor baseline of is drawn to scale on a sheet where . An item lies along the baseline with a perpendicular offset. Its plotted coordinates from the baseline origin are:

drafting rough and final sketch for outdoor crime scene using different sketching methods Hard
A. along, offset
B. along, offset
C. along, offset
D. along, offset

52 A scene spans uneven, sloping terrain. What error most commonly arises if only horizontal (map) distances are recorded while measuring along the slope?

drafting rough and final sketch for outdoor crime scene using different sketching methods Hard
A. The baseline can no longer be drawn
B. The scale ratio doubles automatically
C. The compass bearings become inverted
D. Recorded distances exceed true horizontal distances, distorting plotted positions

53 For a vehicle collision spread across a highway, which combination best documents both the roadway geometry and evidence positions on a final outdoor sketch?

drafting rough and final sketch for outdoor crime scene using different sketching methods Hard
A. Baseline along the road centerline with perpendicular offsets to each item
B. Triangulation from two moving vehicles
C. Compass bearings taken from inside a building 200 m away
D. Cross-projection of the road surface onto the sky

54 Why is the triangulation method sometimes preferred over the baseline method for a small outdoor scene bounded by two permanent corners of a building?

drafting rough and final sketch for outdoor crime scene using different sketching methods Hard
A. Fixed building corners give two accurate, permanent reference points for arc intersection
B. It automatically corrects for slope
C. It removes the need to record any distances
D. It works only when no permanent references exist

55 In the standard photographic progression of a scene, what is the correct sequence?

recording indoor and outdoor crime scene by photography method Hard
A. Overall (long-range), then mid-range, then close-up
B. Close-up, then overall, then mid-range
C. Mid-range, then close-up, then overall
D. Close-up, then mid-range, then overall

56 When photographing a small item of evidence for identification and measurement, why is a scale placed at the same plane as the item and a second photo taken without the scale?

recording indoor and outdoor crime scene by photography method Hard
A. Two photos are required only outdoors
B. The scale changes the item's color
C. The scale must always block part of the item
D. The without-scale image proves the scene was unaltered; same-plane scale ensures accurate size

57 An indoor scene photographed at night uses direct on-camera flash, producing harsh shadows and hotspots on a glossy floor. Which technique best preserves detail without altering the scene?

recording indoor and outdoor crime scene by photography method Hard
A. Using only the camera's built-in flash at close range
B. Bounce or off-camera flash with painting-with-light for large dark areas
C. Moving objects into a lit corner before shooting
D. Increasing the flash power to maximum

58 Why should the crime scene photographer maintain a detailed photo log recording each frame's number, subject, and settings?

recording indoor and outdoor crime scene by photography method Hard
A. It determines the camera's shutter speed automatically
B. It authenticates each image and links it to the scene for admissibility
C. It replaces the need for a final scale sketch
D. It is only needed for outdoor scenes

59 For outdoor evidence photography in bright midday sun creating deep shadows across a footwear impression, the best corrective technique is:

recording indoor and outdoor crime scene by photography method Hard
A. Using maximum aperture with no additional light
B. Waiting until full darkness with no artificial light
C. Photographing directly into the sun
D. Oblique (side) lighting with fill flash or a reflector to reveal impression detail

60 A mid-range photograph must show the spatial relationship between a weapon and a doorway. Which composition principle is most important?

recording indoor and outdoor crime scene by photography method Hard
A. Exclude all background features
B. Include both the evidence and a recognizable fixed feature in one frame
C. Use extreme close-up macro focus only
D. Fill the frame entirely with the weapon