Miscellaneous
The Legal "Shield"
Crime Scene Mapping & Documentation
Evidence Collection
Fingerprints & Search Patterns
100

This is always an officer's first priority upon arriving at a scene, even before evidence preservation.

What is life safety (medical aid)?

100

This Amendment protects citizens against unreasonable searches and seizures.

What is the 4th Amendment?

100

This mapping method measures an object's distance from two fixed, permanent points.

What is Triangulation?

100

This is the standard rule for how many different items can be placed in a single container.

What is one (items must be separate)?

100

When dusting for prints, you should use a light touch and brush in this direction.

What is the direction of the ridges?

200

This document records the name of every person who enters a scene, regardless of their rank.

What is an Entry (or Security) Log?

200

 This set of facts would lead a reasonable person to believe a crime occurred and evidence is in a specific place.

What is Probable Cause?

200

This method uses a straight line (like a wall) to measure evidence at right angles.

What is Coordinate (or Baseline) Mapping?

200

You should never store wet or biological evidence in this for long periods.

What is plastic?

200

This is the most common fingerprint pattern, found in 60-65% of the population.

What are loops?

300

These photos show the relationship between the evidence and nearby objects.

What are mid-range photos?

300

This rule states that evidence found during an illegal search cannot be used in court.

What is the Exclusionary Rule?

300

You should never use these types of objects as your fixed points for mapping.

What are movable objects?

300

This leak-proof paper fold is used to secure tiny trace evidence like hair or fibers.

What is the Druggist Fold (or paper bindle)?

300

This search pattern is essentially a line search performed again at 90 degrees.

What is a Grid Search?

400

This must be used in a close-up photo to show the actual size of an item.

What is a scale (or ruler)?

400

This exception allows an officer to seize evidence they can see while in a place they have a legal right to be.

What is Plain View?

400

To ensure accuracy, this many people should ideally perform measurements.

Who are two people?

400

This is the chronological written record of every person who has possessed a piece of evidence.

What is the Chain of Custody?

400

This search pattern is best for indoor scenes where a room is divided into manageable sections.

What is a Quadrant (or Zone) Search?

500

You should never do this to evidence until after all overall photos are taken.

What is move it?

500

This is the lower legal standard used for searches in schools, as established by New Jersey v. T.L.O.

What is reasonable suspicion?

500

This is the key used to explain symbols used for evidence in a diagram.

What is a legend?

500

This type of "invisible" print is made of natural oils, sweat, and environmental contaminants.

What is a latent print?

500

This doctrine means if the source of evidence is illegal, everything derived from it is also unusable.

What is the "Fruit of the Poisonous Tree"?

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