Law Enforcement Criminal Investigation Fundamentals 2

Question 1

An investigator arrives first at a homicide scene. What is the immediate priority before evidence collection begins?

Accepted Answer

Ensure scene safety and render aid to any victims

Answer

Photograph the body

Answer

Interview bystanders

Answer

Dust for fingerprints

Question 2

The 'chain of custody' for physical evidence is primarily intended to establish what?

Accepted Answer

Continuous, documented control proving the evidence was not altered

Answer

The market value of the evidence

Answer

Which officer found it first

Answer

The location for storage

Question 3

What is the term for the principle that 'every contact leaves a trace'?

Accepted Answer

Locard's exchange principle

Answer

Miranda principle

Answer

Daubert standard

Answer

Frye rule

Question 4

When documenting a crime scene with photographs, why are overall, mid-range, and close-up shots all taken?

Accepted Answer

To show context, relationships, and detail of evidence

Answer

To use up the camera memory

Answer

Because regulations require exactly three photos

Answer

To confuse the defense

Question 5

A modus operandi (MO) differs from a signature in that the MO:

Accepted Answer

Is the method the offender uses to commit the crime and can evolve

Answer

Is the emotional need fulfilled by the crime

Answer

Never changes over time

Answer

Is always left intentionally

Question 6

Which search pattern is most appropriate for a large outdoor crime scene with multiple searchers?

Accepted Answer

Grid (double-line) pattern

Answer

Spiral inward only

Answer

Random walk

Answer

Single point search

Question 7

What distinguishes a 'primary' crime scene from a 'secondary' one?

Accepted Answer

Primary is where the main criminal act occurred; secondary is a related but separate location

Answer

Primary is indoors, secondary is outdoors

Answer

Primary has more evidence by definition

Answer

There is no real difference