personnel: roles, advantages, limitations and cases Flashcards
what does a scenes of crime officer do(SOCO)?
They help police officers solve crimes. they’re experts at taking photos of evidence and identifying traces at crime scenes.
what equipment may a SOCO use?
Cameras, paper bags, personal protective equipment, bodily fluid collection kits, evidence seals/tape, torches, measuring devices, tweezers and spray paint.
what are the limitations of a SOCO?
- requires specialist skills
- forensic samples may be dangerous e.g. infected blood
- work is demanding and stressful
what are the advantages of SOCO?
- they are experts at collecting evidence
- evidence retrieved can prove someone’s innocence or their guilty
- prevent more crimes occurring by proving the defendant was the perpetrator
what is the role of a police officer
they are the first person to attend a crime scene and need to safeguard everyone at the scene. secure the scene and avoid contamination.
what are the limitations of a police officer?
- failure to secure the scene /preserve evidence
- failure to investigate
- institutional racism
what case was affected due to constitutional racism within the police force
Stephen Lawrence
what are the advantages of police officers
- quick response to crimes
- powers to arrest and detain
- undergo training to preserve evidence
- effective at investigating as access to different crime units
what roles do forensic scientists and specialists do
they use scientific knowledge to analyse and interpret evidence and produce a report on their findings
what are some advantages of forensic scientists and specialists
- special expertise of forensic scientists may be able to identify and interpret evidence that proves a suspects guilt or innocence
- their expertise may be essential in complex cases where the criminal also has specialist knowledge or skills
what are some limitations of forensic scientists/ specialists
- highly qualified and expensive
- contamination of evidence can occur when examined
- experts may disagree and impact on the court case
- if an expert accidentally or deliberately misleads the court it could result in a miscarriage of justice
name a case where a fault by forensic scientists have affected a case
Adam Scott was convicted of rape when scientists in the lab reused Petri dishes
what are the roles of pathologists
drs who specialise in causes of disease and death. they make detailed external examinations and may look at internal organs
what are the advantages of pathologists
-they can provide conclusive scientific evidence e.g. cause and time of death
limitations of pathologists
- very few home officer registered pathologists
- requires 7 extra years once dr training is completed
- highly trained= expensive service
- emotionally demanding