These notes cover the content in detail from AC 1.1 to AC 3.2 for Unit 3 (Crime Scene to Courtroom) in Criminology (WJEC). Each topic has the structure outlined and details what is needed to achieve an A* in this subject. :)
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AC 1.1
Roles Strengths Weaknesses Case Study Statistics
- Vital for the start of - Availability - the police - Cost – Salary is quite low so - Jean Charles de Menezes - - 71% of 999 calls are
the investigation (first respond to emergencies which can deter people from joining. wrongly shot by the police answered within 10
ones on crime scene) means they have a quick - Expertise - Many police after being accused of a seconds (Harrogate
- Do jobs such as response time. officers do not have degrees failed suicide bombing. News, 2022)
Police Officer / interviewing/taking - Cost - Allows the police to as this is not a mandatory - Killed in Stockwell Tube - The starting salary
detective initial witness employ more officers and requirement and so the police Station on the 22nd July for a police officer is
statements gives these officers an can make mistakes within 2005. £21k a year but a
immediately after a incentive to work as a police investigations which can be - The Stockwell 2 report police officer can earn
crime is reported, this officer for longer so they can the difference between life identified several mistakes up to £40k with more
period is known as the achieve a higher salary. and death. (LINK TO CASE) made by officers e.g., lack expertise
golden hour of communication between
- Specialised officers – officers, no warning that
counter terrorism. police were armed, and the
image was not checked.
Therefore, this case shows
that the police can be
ineffective as they are
prone to making mistakes.
- Crime scene - Availability - CSIs are - Cost - CSIs earn £17k as a - Amanda Knox case where - Can earn up to 37k
investigators find, and available 24/7, every day of starting salary which is below some people who entered with experience
record evidence found the year as the largest forces the average salary in the UK the crime scene did not (National Careers
at crime scenes which employ dozens of CSI’s, and can deter applicants wear shoe covers and this Service, 2022)
is relevant to the increasing their effectiveness which means there are not the evidence was used in court
Crime Scene investigation and as they can respond quickly. best candidates available for to show that any evidence
Investigator information from post- - Expertise - CSIs are highly the job presented was unreliable.
(CSI) mortems and trained and, although not - CSIs are also prone to making
accidents. required, degrees are more mistakes, particularly because
- The process of common among applicants. of the high risk of
collecting evidence contamination within crime
involves scenes, which can result in
photographing crime offenders not being
scenes, packing, and prosecuted. (LINK TO CASE)
documenting evidence
and advising police
investigations.
- Forensic scientists - Availability - forensic - Cost - They are paid a - Adam Scott was wrongly - Most laboratories
are in charge of scientists are also available starting salary of £25k which accused of being involved usually analyse and
reviewing evidence to 24/7 which is beneficial as can increase to £35k over time in a rape case after his DNA get the DNA result
Forensic produce information DNA often needs to be tested meaning there would be less from a street fight in ready between 3 to
Scientists for court immediately, increasing its qualified candidates as the Plymouth was not correctly 12 weeks
- They have specialised reliability salary is around the national disposed of and the dish (Nebula.org, 2021)
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