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20 questions
What does Locard's exchange principle state?
Every crime will be solved
Every contact leaves trace evidence
All physical evidence provides information
Crimes cannot be solved without physical evidence
What type of evidence cannot prove 100% that a person was at the crime scene during the crime?
Direct
Circumstantial
What type of evidence would a fingerprint be considered?
Physical
Biological
True or False: Blood would be considered both biological and class evidence
True
False
True or False: Individual evidence would be more beneficial to an investigation than class evidence
True
False
True or False: Direct evidence narrows an identity to a single person or thing
True
False
Eyewitness testimony would be considered:
Direct evidence
Circumstantial evidence
A shoe print (if unique) would be considered both:
Physical
Biological
Class
Individual
When arriving to a crime scene the officer has a duty to ensure the scene is safe and
secured
scanned
photographed
sketched
In order for an officer to figure out what actually happened, it is common practice to
speak with the witnesses in a group setting
speak with the witnesses individually
only speak with the witnesses who have pertinent information
While scanning the scene it is important that officers
take photographs
collect evidence
hurry up before asked to get a search warrant
determine if there is a secondary crime scene
It is best practice to take photographs from
90 degree angles
every angle possible
45 degree angles
True or False: Evidence markers should be placed before taking pictures so each piece of evidence can be seen clearly in the photos
True
False
True or False: Sketching should be done before pictures of the scene are taken
True
False
True or False: A rough sketch is almost never drawn to scale
True
False
What should be included in a rough sketch of a crime scene?
North Labeled
Measured distances of all evidence
Only the evidence and not any surrounding items
Write "to scale"
What type of sketch uses two fixed objects to measure the distance to the pieces of evidence?
Baseline method
Coordinate method
Triangulation method
What type of sketch uses a reference point and line to measure the distance to the pieces of evidence?
Baseline method
Coordinate method
Triangulation method
What type of sketch method is used here?
Baseline
Coordinate
Triangulation
What type of sketch method is used here?
Baseline
Coordinate
Triangulation
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