Crime Scene Basics Flashcards

1
Q

Original location of a crime or accident

A

Primary crime scene

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2
Q

An alternate (another) location where additional evidence may be found

A

Secondary crime scene

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3
Q

Person thought to be capable of committing a crime

Innocent until proved guilty

A

Suspect

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4
Q

Second person associated with committing a crime

A

Accomplice

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5
Q

Statement of where a suspect was at the time of a crime

A

Alibi

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6
Q

Person that committed a crime, identity may be unknown

A

Perpetrator

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7
Q

Any witnessed accounts of an incident or crime

Testify) (tell or write down what happened

A

Testimonial evidence

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8
Q

would refer to any material items that are present at the crime scene or on the victims

A

Physical evidence

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9
Q

Refers to evidence that is found at a crime scene in small but measurable amounts

A

Trace evidence

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10
Q

Evidence includes organic items such as blood, saliva, hair, plants and insects
( anything that is, was or formerly part of something living)

A

Biological evidence

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11
Q

How many types can evidence be of

A

More than one

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12
Q

Any physical location in which a crime has occurred or is suspected to occur

A

Crime scene

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13
Q

What will evidence collected at the scene do for the investigation

A

May PROVE that a crime has been committed, establish any KEY ELEMENTS of a crime, link a SUSPECT with a crime scene or victim, establish the IDENTITY of a victim or suspect, corroborate verbal WITNESS testimony, exonerate the INNOCENT , give DETECTIVES leads to work with in the case

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14
Q

Corroborate

A

Verify

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15
Q

Exonerate

A

Let them off the hook

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16
Q

Control samples

A

Help to eliminate hairs, fibers, or other items that should normally be found at the scene and should not be investigated further

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17
Q

Typically the first to arrive at a crime scene, they are responsible for securing the scene so no evidence is destroyed

A

Police officer

18
Q

Documents the crime scene in detail includes any physical evidence, takes photos

19
Q

Often present to help determine if any search warrants are required to proceed and obtain those warrants from a judge

A

District attorney

20
Q

What will evidence collected at the scene do for the investigation

A

May PROVE that a crime has been committed, establish any KEY ELEMENTS of a crime, link a SUSPECT with a crime scene or victim, establish the IDENTITY of a victim or suspect, corroborate verbal WITNESS testimony, exonerate the INNOCENT , give DETECTIVES leads to work with in the case

21
Q

Corroborate

22
Q

Exonerate

A

Let them off the hook

23
Q

Control samples

A

Help to eliminate hairs, fibers, or other items that should normally be found at the scene and should not be investigated further

24
Q

Typically the first to arrive at a crime scene, they are responsible for securing the scene so no evidence is destroyed

A

Police officer

25
Documents the crime scene in detail includes any physical evidence, takes photos
CSI
26
Often present to help determine if any search warrants are required to proceed and obtain those warrants from a judge
District attorney
27
May or may not be present to determine a preliminary or cause of death (If a homicide)
Medical examiner
28
Maybe called in if the evidence requires expert Analysis | Forensic scientists, forensics psychologists
Specialists
29
Interview witnesses and consult with the CSI unit. They investigate the crime by following leads provided by witnesses and physical evidence
Detectives
30
Step 1:
Secure the scene
31
Step 2:
Interview
32
Step 3:
Examine
33
Step 4:
Document
34
Step 5:
Process
35
Secure scene
Make sure the area is roped off so that no one enter or exit the scene Police officers Only required personnel should enter family does not have the right to enter the scene
36
Interview
Interview the first officer or the victim to determine what crime took place in how the crime was committed. Info may not be factual, but gives the investigator a place to start
37
Examine
Walk through the scene marking evidence as it is found, Identify possible evidence identify the point of entry and point of exit and outline the general layout of the crime scene
38
Document
Creating a picture of a record of the scene with photographs video as well as a rough sketch to demonstrate the layout of the crime scene and to identify the exact position of the deceased victim or other incidents within the crime scene MEASURE EACH ITEM FROM TWO GIXED POINTS TO RECORD ITS EXACT LOCATION
39
Process
Each piece of evidence is photographed logged into evidence log placed into a container sealed and labeled Crime scene technician's responsibility to identify evaluate inflict physical evidence from the crime scene for further analysis by crime laboratory A chain of custody must be kept
40
Locards exchange principle
States that every person who enters a crime scene during the crime or after the crime he may accidentally take away evidence at the same time leaving behind traces of their presence at the same
41
Chain of custody
A record that shows where the evidence has been every moment since collection Errors can lead to the evidence being thrown out of court