104 Flashcards
General Investigation Model - VAWSEIPO
Victim - Identify and locate the victimAppreciation - Make initial appreciation. Assess personal risk and then preserve the lives of otherWitnesses - Locate and contain witnessesScene - Preserve the sceneExhibits - Note evidence and preserve any that would be otherwise destroyedIngredients - Consider if ingredients have been establishedPowers - Identify what powers are available Offenders - Identify and apprehend
F.C.G.P.
Freeze, Control, Guard, Preserve
Priorities tasks and assign duties: VOWES
Victim, Offender, Witnesses, Exhibits and Immediate Scene
Crime Scene examination - Five components for success
Forensic teamworkPreservationDocumentationCommunicationFlexibility
What is a reconnaissance
The preliminary reconstructionAn appreciation A plan of action
The four search types
Grid- Divide scene into grids and search each squareLane - Divide scene into lane and search each laneSpiral - Start from a center point and search spiraling outwardsZone - Divide scene into into zones and search each zoneThere is also a sweep method- similar to lane, for open or large areas for people or large items
Scene Zones
Hot - The part of the scene requiring examination and evidence collectionWarm - A transition Zone to enable scene examiners to put on and take off protective clothingCold - A place within the outer cordon for meetings meals etc
Where should exhibits be sealed and packaged
In the hot zone, before being transitioned into the warm zone exhibits proccessing area
At a minimum what should be worn to avid contamination
Gloves and mask
What normally happens first, fingerprinting or DNA analysis
Fingerprinting
To seal exhibit bags, what to use and what not to use
Fold bag over twice and sealed with strong adhesive tape. Never use staples
Wet clothing,how to exhibit
Dry at room temp, do not use accelerated drying techniquesIf clothing is to be taken to see then takes ASAP clearly indicating that item is wet
Document examination, latent indentations before fingerprinting?
Yes indentations before fingerprint as indentations will be lost otherwise
Transfer methods for hair and fibre
One way- fibre rom suspects clothing found on car seatTwo way- suspects clothing on car seats and car seat fibres ar on suspects clothing
Can you fingerprint someone who is to be summonsed
Yes
Physical or mechanical fits, Should officer try and fit pieces together themselves
No, could damage potential evidence
Dress of the day for scene examination.
Overalls, gloves and shoe covers or protectors. Masks and hair caps may be required
Name the general investigation model?
VictimAppreciationWitnessesSceneExhibitsIngredients PowersOffender
Name the basic principals underpinning all serious crime investigations?
Appreciation ProcessPreserve Life / Preserve SceneIdentify & apprehend suspect / secure evidence / identify victim
If the Victim is taken to hospital, what steps should you follow?
- Obtain a medical opinion of the Victims condition2. Seize the Victims clothing3. Establish the Victims identity4. Obtain a pre-transfusion blood sample using a Police toxicology kit5. Seize any discarded bandages used to cover gunshot wounds and record position6. Arrange firearm residue samples in cases where firearm used7. Note and photograph injuries8. Arrange DNA swabs to be taken from the Victims skin9. Obtain details of any or all people who visit or contact Victim10. Conduct scoping interview with the Victim11. Conduct a preliminary interview with ambulance and emergency staff who treated the victim
What five steps should Police follow when they are first at a scene?
- Identify2. Secure3. Preserve4. Consider 5. Record
What are the duties of a scene guard?
- Secure scene- Record details- Control movements - Record movements- Brief others- Avoid disturbance - Protect scene- Brief replacement- respect secuirty- demonstrate courtesy
What steps must you follow when a Victim is showing no signs of life?
- Consider calling ambulance & administering resusatation. If Victim is moved then note original body position2. Remain with body until relieved3. Arrange Doctor to pronounce life extinct 4. Treat Victim as a scene5. Instruct medical staff to leave clothes on body6. If medical treatment was given request connecting tubes be left7. If possible scoping interviews with medical staff8 Ascertain if Victim spoke to anymore before death9. Record body position10. Objectively record everything11. Record all exhibits12. Sketch plan including position of body
Name the steps Police complete if the suspect has been identified at the scene?
- Separate from other people2. Consider condition - injured/alcohol/drugs3. Ask them to remain at the scene4. If suspects refuses to co-operate consider grounds to arrest5. Prevent cross contamination issues6. Suspect arrested/detailed - caution Suspect not arrested/detained - caution when required7. Consider searching vicinity of suspect8. Note suspect appearance and behaviour9. Record everything the suspect says10. Whenever possible interviews of suspect should be recorded on DVD.