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Full summary notes/model answer for unit 3 - level 3 WJEC Applied Diploma in criminology $15.98
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Full summary notes/model answer for unit 3 - level 3 WJEC Applied Diploma in criminology

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  • Cours
  • Crime Scene to Courtroom (4543U3)
  • Établissement
  • WJEC
  • Book
  • Criminology Book Two

Here is the full summary of notes and information for unit 3 criminology - crime scene to courtroom, containing everything from 1.1 - 3.2. These notes and information allowed me to achieve an A grade during the final controlled assessment. These documents will also benefit you when preparing for th...

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Infos sur le Document

  • Oui
  • 22 août 2023
  • 23 août 2023
  • 52
  • 2023/2024
  • Resume

Sujets

  • wjec
  • criminology
  • unit 3
  • crime scene to courtroom
  • book 2
  • criminology book 2
  • 11 32
  • controlled assessment
  • ac11
  • ac12
  • ac13
  • ac14
  • ac21
  • ac22
  • ac23
  • ac24
  • ac25
  • ac31
  • ac32
  • crime
  • model answer
  • essay s
  • summary
  • notes

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  • A/AS Level
  • WJEC
  • Criminology
  • Crime Scene to Courtroom (4543U3)
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Criminology unit 3


Unit 3: Crime scenes to courtrooms
1.1 – Evaluate the effectiveness of the roles of personnel involved
in criminal investigations
Police officers/detectives
In general, police officer’s role is to maintain the law/order and safety of society within a
certain area of which their department is responsible for. Overall attempting to minimise
crime and increase the safety of the public. At a crime scene, they are responsible for
securing the crime scene and carrying out any necessary aid on the victims of the crime.
Police detectives have a similar role in which they oversee/manage the operation at the
crime scene. Police detectives work with a variety of specialist departments such as drugs
and firearms squads and will call upon the appropriate department if necessary.
Police are usually first on the scene so they need to arrest suspects and secure the crime
scene for the crime scene investigators. Police officers need to see if anyone is injured and if
so, is cared for and tended to. If a suspect is still present at the crime scene at the time of
arrival, they should attempt to arrest/detain them. Once the wellbeing of anyone injured is
ensured and other emergency services such as the ambulance arrive. Police should secure
the crime scene to ensure that the evidence at the crime scene is not subject to any further
contamination and disturbance to the crime scene is minimal. They may do this by blocking
off roads leading to the area or putting up barrier tapes around the immediate area of the
crime scene. If necessary and appropriate, police forces also have specialist units such as
mounted police to do this and dog handling units which can be used for identifying any
substances present at the crime scene. This is to ensure that no one enters the crime scene
especially if the suspect has not been apprehended as they may be in danger if they crossed
through the area. Furthermore, it also ensures that no individuals not working on the
investigation contaminate any evidence. Police officers should also take witness/victim
statements from people which were present at the crime scene when the crime was
committed. It is important that they do this quickly as the witnesses may not be able to
accurately recall events after a certain period of time. This could lead to significant
information being missed in relation to the case.
In the case of Stephen Lawrence, police were the first to arrive at the scene besides two
Christians. Even so, police were ineffective at serving the victim and handling the crime
scene properly. These 2 Christians had stated that when the police arrived at the crime
scene, they did not perform CPR on Stephen Lawrence which was the first part of the
protocol which was meant to be performed. This was criticised heavily by the public and
became a main public interest in the campaign known as Black Lives Matter (BLM) and lead
the public to believe that the case was handled differently due to the victim being black.

Effectiveness
Expertise – Police officers are required to participate and complete specific training
programs/exercises to ensure that they have the necessary skills and sufficient knowledge in

,Criminology unit 3


order to carry out their role. This would involve knowing the procedure of how to properly
secure a crime scene and how to perform life saving measures on an injured victim if
necessary. Police detectives often possess years of experience as they would have worked
up the chain to gain their title and authority. Alongside this they liaise with specialist
departments during an investigation of a crime scene.
Cost - The starting salary for police officers in the Uk is roughly £21,000. In general, the
average salary is roughly £26000 and can rise to roughly £41,000 as the individual rises up
the chain and gains more experience. This salary is achievable after roughly 7 years of
service. In Scotland the starting salary is £26,000 and can rise to roughly £41,000 also after
10 years of service.
Availability - Police have a wide availability with there being roughly 140,000 police officers
across the 43 police forces in the UK in 2022, every person is able to call the police at any
time through their respective emergency phone numbers. Police officers work on an on-call
basis 24/7 just like CSIs, this is because a crime could happen at any time throughout the
day and police officers must provide assistance to the caller as soon as possible.
Furthermore, the quicker the police officers get to a crime scene, the more likely they are to
find and apprehend a suspect. However, if multiple calls were received at the same time,
priority would most likely go to the most serious one. Likewise, if the police officers are
already securing a crime scene or in the process of the responding/tending to a serious
crime the caller may have to wait a longer time for police to reach them. This may lead to
police being overworked and overstretched through communities which could lead to a
crime being unattended to and communities being vulnerable.

Limitations
 Police could fail to secure a crime scene adequately if the procedure is not followed
properly, this could result in contamination of evidence and could significantly affect
the case in court.
 Police have been criticised by the public in the past for their discriminatory
behaviour in how they handle certain investigations such as hate crimes. The
metropolitan police have also been found to have an issue of institutional racism in
the past and handle cases with personal bias.

Crime scene investigator
A crime scene investigators role (CSI) is to identify, collect and preserve evidence from a
crime scene. Their main role is to ensure that the evidence present at a crime scene is
collected correctly/safely and not end up being contaminated. This is because if evidence
such as fingerprints or clothing collected from the crime scene were contaminated it would
be classed as inadmissible in court. An example of where this occurred was within the
Amanda Knox case in which a knife was not sealed properly. In addition to this, police failed
to wear the correct protective equipment when collecting evidence from the crime scene
leading to contaminated DNA samples.

,Criminology unit 3


CSIs may also process evidence in relation to post mortems and accidents and sometimes
appear in court when necessary. CSIs liaise with the police to decide what evidence could
prove useful and decide the most effective way to gather it, whilst still being able to uphold
its validity to be viable in court if it were necessary. Crime scene investigators may also be
referred to by police as Scene of Crime Officers (SOCOs). A primary method in which CSIs
use in order to gather evidence is to take photographs at the crime scene as well as any
surrounding areas which may contain evidence. Examples of photograph evidence would
consist of weapons or tyre marks. Once they have obtained all the evidence, they have to
package/seal and document all the evidence in which they found and ensure that it is stored
safely in preparation for the evidence to be sent off for analysis by forensic specialists where
they will preserve and examine the evidence.

Effectiveness
Expertise – Crime Scene Investigators undergo specialist training and many also have a
degree in a science related field such as biological science, forensic science and psychology.
This would mean that they have the sufficient skills and knowledge required in order to
significantly contribute help at a crime scene as they have had the necessary training in
order to carry out their role effectively.
Training would include the development of forensic photography skills, which would consist
of evaluating light and weather conditions and adjusting the camera appropriately and
determining which camera lens is most suitable for the situation.
Availability – Crime scene Investigators are available 24/7 throughout each entire year as
they work on an on-call basis. This is because if there is a crime committed which was
serious, crime scene investigators could be called upon to the attend the scene at any time
throughout the day or night. It is imperative that they work on this on-call basis because
they must respond to calls from the police as soon as they call.
Cost – The average starting salary of a CSI is roughly £20000. The average salary in general is
roughly £26000. Alongside this, training provided to CSI’s is costly and the degree in which
CSIs require result in additional necessary costs.

Strengths
 Due to CSIs being one of the first people on the crime scene they act as the first
initial stepping stone for a case. CSIs could potentially help to identify leads and
suspects at the beginning of a case. This is because CSIs may find evidence which
may be regarded as indisputable such as fingerprints. Ultimately, this means that it
will help to establish a just verdict for a suspect.
 Due to the specialist training in which CSIs receive, this means that they are
extremely attentive meaning that they are able to detect small pieces of evidence
which may prove significant in the case. This means that the likelihood of which
important evidence is missed/overlooked at a crime scene is decreased.

, Criminology unit 3


Limitations
 Due to the work which CSIs carry out it means that necessary training is required. In
order to develop these skills and create training programs it is very costly; this is
because before you can become a CSI a 2–3-year probationary period as a general
Police Constable is required. Meaning a lot of funding would be needed in such a
long duration. The average annual salary of a CSI is also roughly £26000 which is also
adds to the cost.
 Due to the situations in which CSIs need to be present in, it can be very emotionally
and mentally damaging to the individual’s wellbeing. This means that the health of
the CSI could potentially be at risk with every crime scene they visit as it may be very
traumatic. This may result in them leaving the profession therefore, resulting in a
decrease of the availability of CSIs in general.

Forensic scientists and specialists
Forensic scientists and specialists are responsible for obtaining evidence collected by CSIs,
maintaining and examining evidence from a crime scene during investigations using their
scientific knowledge and expertise. For example, examining bodily fluids such as blood or
sperm in attempt to reveal DNA. With the evidence which they have collected they are
required to preserve the evidence and maintain the condition of the evidence at a
satisfactory standard for a long duration of time, in order to keep its validity and keep it
eligible to use in court if necessary. Forensic scientists are also required to document their
findings for the court and may potentially testify in court as an expert witness if necessary.
Overall, this means that forensic scientists play a significant part of any case they are part of
as they can greatly help to prove someone's innocence or guilt. This leads to less
miscarriages of justice occurring within cases and more perpetrators being brought to
justice.
The use of the forensic scientists in the Delroy Grant case was very effective in helping to
catch and convict the serial rapist after he was found guilty for 29 charges ranging from
rape, burglary and sexual assault. During this case the police force employed forensic
scientists to carry out a new method at the time called Ancestral DNA profiling and proved
that the suspect was of Caribbean descent. This helped to reduce the number of suspects by
thousands. However, a limitation which forensic scientists are faced is that they can only
examine and work with what is present at the crime scene. Unfortunately, when committing
most of his crimes Grant would wear gloves which therefore meant that forensic scientists
would have great difficulty locating fingerprints at the crime scene.

Effectiveness
Expertise – In order to become a forensic scientist/specialist an individual must also possess
a degree in a science related field such as biological science, forensic science or criminology.
This ensures that the forensic scientists have specialist knowledge on how to examine
evidence correctly and precisely. This means that their expertise can help the progression of
solving complex or ‘cold’ cases. This is because the technology in which forensic scientists

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