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Process Essay: Gathering Evidence From The Crime Scene

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Process Essay: Gathering Evidence From The Crime Scene
Gathering Evidence from the Crime Scene

Task 1

Shaking – Shake items and allow the particles to fall into a large container or sheet of paper. This technique is suitable for recovering trace evidence: glass fragments, paint chips, hairs and fibres.

Brushing – Brush the surface with a clean brush and collect the material in a container or piece of paper. This is necessary when shaking does not dislodge the particles. This technique is suitable for removing trapped particles from surfaces: gunpowder residue, soil, pollen, hair and fibres.

Taping – Apply strips of clear sticky tape or gel lifters to non-absorbent surfaces to pick up trace evidence. Place tape over the evidence and pull it off. The evidence is transferred to the adhesive
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They must establish barriers insuring all entrances and exits are covered, which can be accomplished using crime scene tape, guards and vehicles. This controls who may enter the scene, excluding all unauthorised personnel. A log must be kept noting all individuals who had access to the crime scene, their role and their time of entry and exit. People with authorised access include: SOCOs, crime scene manager, forensic scientists, police investigators, paramedic staff and fire brigade staff. Unauthorised access: general public, media, family of victim, witnesses and non-essential personnel e.g. police, paramedics and …show more content…
They must include all of the relevant times and actions taken, such as the where the crime scene was, the crime case number, who contacted the investigator and when, when the investigator arrived and left the scene, the name and signature of the SOCOs, report of the crime scene, where the evidence was located, description of the evidence, an account of how the evidence was collected, storage and means of transportation.

Sketches should include all recovered items of physical evidence and other items relevant to the crime scene. Accurate measurements and location of evidence from at least two landmarks should be included. They must be labelled, include a key and a north line showing the direction.

Overall photos of the scene should be taken, this includes the entire scene, surrounds areas and points of entry and exit. Shots of the evidence should be taken to show their aspect and positioning. Also, close-ups showing details of interest on the evidence items and a measuring scale should be incorporated in the photos to show their size.

Videos afford an in person perspective of the scene and evidence and allows for a continuous account of the crime scene. New items of evidence are documented by the SOCO as they are

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