Crim Investig FINAL Flashcards

(51 cards)

1
Q

direct evidence

A

DNA, fingerprints

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2
Q

Circumstantial evidence

A

timing, vehicle seen in the area

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3
Q

Real evidence

A

Physical objects (weapon, phone)

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4
Q

Demonstrative evidence

A

charts, maps

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5
Q

Testimonial evidence

A

evidence given orally by a witness

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6
Q

Relevant evidence

A

Credible, reliable evidence showing a connection to the case

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7
Q

Key players in criminal trial

A

prosecution, defense, investigator/detective

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8
Q

leading question

A

a question phrased so the answer is implied within the question itself

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9
Q

Excusable homicide

A

legal shooting, accidental without negligence

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10
Q

Corpus Delicti

A

facts that establish a crime has been committed and who is responsible for it

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11
Q

Internal examination

A

autopsy performed internally to determine cause of death

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12
Q

Post Mortem Lividity

A

blood pooling after death, indicating body movement

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13
Q

Modus Operandi

A

a criminal’s pattern of behavior

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14
Q

Carbon monoxide

A

makes blood appear cherry red in body

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15
Q

Gunshot residue (GSR)

A

evidence found when a gun is fired

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16
Q

Most common weapon in murder

A

gun

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17
Q

motive

A

reason for committing the crime, key factor in solving most crimes, including murder

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18
Q

challenges in solving murder

A

victims can’t provide evidence (can’t testify)

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19
Q

Why murder cases are solvable

A

often the suspect is known to the victim, body found, more evidence and resources

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20
Q

Purpose of autopsy

A

determine cause of death

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21
Q

homicide challenges

A

lack of eyewitness testimony or direct evidence

22
Q

difficulties in fire investigation

A

evidence is often destroyed by fire or firefighters’ actions

23
Q

3 essentials for fire

A

fuel, oxygen, heat

24
Q

types of fire investigators

A

trained firefighters, fire marshal

25
common causes of fires
heaters
26
most common accelerant
gas
27
purpose of fire investigators
determine cause and origin of the fire
28
common locations for robberies
random streets
29
challenges in solving robberies
no connection to the robber or victim
30
home invasion
breaking into a home while people are inside
31
Stats on robberies
87% committed by males, 50% are not reported (drug dealers)
32
types of robbery
robbery: taking property by physical force armed robbery: robbery with weapon strong arm robbery: robbery without weapon, involves physical beating
33
most common weapon in robbery
gun
34
robbery planning
most robberies are not planned
35
Modus Operandi in robbery
criminal's habitual way of committing robberies
36
Challenges in SVU cases
lack of evidence and "he said, she said" situations
37
SVU investigator mindset
compassionate, skilled, with female investigators preferred
38
consent as a defense
consent is often used as the primary defense in sexual assault cases
39
corroboration
supporting victim's statement with other witnesses or evidence
40
common SVU cases
rapes often committed by someone known to victim (7 out of 10 cases)
41
common entry points for burglars
windows and doors
42
peak months for burglary
summer
43
most common locations for burglaries
residences
44
important evidence in burglaries
fingerprints, physical evidence left behind by burglar
45
enterprise charges
to charge for enterprise crimes, there needs to be a hierarchical structure
46
RICO
Racketeer Influenced and Corrupt Organizations Act, used against street criminal, involves seizing property and sending a strong message
47
terrorism investigations
handled by FBI
48
entrapment
forcing someone to commit a crime or say something incriminating
49
spoofing
fraudulent calls or messages (spam)
50
phishing
fraudulent emails aiming to steal personal information (avoid clicking on suspicious links)
51
fasting growing crime
identity theft