Crime Scene Sketching

Question 1

all sketches should include (8):

Answer 1

1. Case number and Case type
2. address
3. date
4. creators name/assisting persons
5. “N” indicator
6. not to scale
7. legend
8. measuring device used

Question 2

Sketch basics

Answer 2

1. longest dimension of the scene to longest side of paper
2. start with outline
3. which ways doors open

Question 3

4 types of sketches

Answer 3

1. overview/ floorplan/ birds-eye view
2. elevation
3. cross projection/ exploded view
4. perspective

Question 4

Measuring Basics

Answer 4

1. dimensions (borders, walls)
2. take measurements from fixed locations
3. stay consistent with measurements
4. oddly shaped objected (center mass)
5. place objects within scene

Question 5

Measuring methods

Answer 5

1. triangulation
2. rectangular coordinate
3. baseline
4. polar coordinates

Question 6

Triangulation

Answer 6

1. from two fixed points
2. ideal or indoor scenes

Question 7

Rectangular Coordinate

Answer 7

1. measure distance from an item perpendicular to two fixed points
2. ideal for indoor scenes
3. walls and curbs work great

Question 8

Baseline

Answer 8

1. measure distance along the baseline
2. ideal for outdoor scenes

Question 9

Polar Coordinate

Answer 9

1. measure from a central point
2. ideal for outdoor scenes