Chapter 1: Crime Scene Investigation of Biological Evidence

0.0(0)
studied byStudied by 8 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/22

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

23 Terms

1
New cards
initial response
A crime scene investigation begins with the ____ to a scene.
2
New cards
Securing and protecting
_____ the scene are important steps in a crime scene investigation and this task is usually carried out by the first responding officer arriving on the scene.
3
New cards
preliminary
A _____ survey should be carried out to evaluate potential evidence.
4
New cards
recognition
The _____ of evidence plays a critical role in solving or prosecuting crimes.
5
New cards
Corpus Delicti
Refers to the principle that in order for an individual to be convicted, it is necessary to prove the occurrence of the crime.
6
New cards
Higher priority
____ should also be attached to evidence that can establish connections such as victim-to-perpetrator linkage.
7
New cards
Locard Exchange Principle
Theorizes that the cross-transfer of evidence occurs when a perpetrator has any physical contact with an object or another person.
8
New cards
Trace evidence
_____,__ such as hairs and fibers, may be transferred from a perpetrator to a victim or vice versa. This explains why it is important to ensure that perpetrators and their belongings are thoroughly searched for *_______*
9
New cards
Blood
____ belonging to a perpetrator or a victim found at a crime scene can establish such a linkage.
10
New cards
Reciprocal transfers
_____ of trace evidence from crime scenes can be used to link a suspect or a victim to a crime scene.
11
New cards
Modus Operandi
Refers to a particular pattern of characteristics and the manner in which a crime is committed.
12
New cards
Alternate Light Source
Either produces a single specific wavelength of light or a desired wavelength by using specific filters.
13
New cards
electrostatic dust print lifting device
A device that can be utilized for processing impression evidence such as footprints and tire tracks.
14
New cards
high-intensity light-emitting diode (LED)
A device for locating evidence at a crime scene is particularly effective in highlighting trace evidence such as hairs, fibers, and shoe prints.
15
New cards
Ground-Penetrating Radar
Uses electromagnetic waves emitted from a transmitter, which are detected by a receiver to locate clandestine burials and buried objects such as weapons embedded in soils.
16
New cards
tracking dog
A ______ can potentially follow the scent from items left at the scene to locate a suspect nearby.
17
New cards
Enhancement reagents
Reagents such as luminol and fluorescein, which emit chemiluminant and fluorescent light upon reacting with certain biological materials, respectively, can be used.
18
New cards
Rapid DNA technology
This technology can enable law enforcement agents to rapidly determine whether the crimes were isolated incidents or part of serial crimes committed by the same offender. It can also be used in the identification of human remains in mass disasters.
19
New cards
Scales
Used to accurately depict the sizes of items such as bloodstains or bite marks.
20
New cards
Log Sheet
Used to record the chronological order of crime scene photographs and to note filming conditions and any additional relevant information.
21
New cards
Custody information
This information should be recorded at each event when evidence is handled or transferred by authorized personnel.
22
New cards
chain of custody
An incomplete _____ may lead to an inference of possible tampering or contamination of evidence.
23
New cards
Packaging
It is intended to protect and preserve evidence.