Homicide and Serious Crime Victims Flashcards
Three key elements of homicide
Victim, suspect, location
Responsibilities of OC Body
- Ensure death has been certified
- Maintain security and continuity of body, samples and exhibit
- Secure and guard body, body samples and exhibits relating to body
- Note and records observation relating to the body
- Note details of medical staff dealing with victim
- Record what actions have been taken by any party in respect of the body
- Establish if the body has been moved or disturbed
- Ensure body is photographed in situ
- Arrange formal identification
- Obtain historic medical records
- Attend post mortem
Key scene attendance considerations
- Photographs/videos
- Actions of first responders
- Identity of the body
- History of the body - medical, drug use
- Timeframes relating to the body - last sighting etc
- Scope and priorities of the investigation
- Any special evidential expectations and requirements
- Environmental factors at scene
Factors to consider prior to body removal
- Notification to and response from the coroner
- Views of pathologist, ESR scientist and crown or other relevant experts
- Requirement of any examination or action needed before removal based on known facts
- Best method and route to minimize contamination
- Supervision of removal
- Chain of custody from scene to mortuary
- Safe custody of exhibits
- Family/cultural considerations
- Standing operating procedures for what and how items of protective clothing must be used
What samples may be required to be taken at the scene
Decided upon consultation between experts. Advisable where evidence would otherwise be lost or contaminated such as:
- Larvae and insects
- Potential fingerprint evidence from the skin on the body/clothing
- DNA swabs
- Hairs, fibers, glass, paint, other fragments
- Firearm residue
Actions for recording details and removing the body
- Thoroughly record body position by sketch plan and direct photograph to take photos. Consider videoing.
- Consider marking position of the body before moving e.g measuring distance from at least two fixtures
- Note limb position, clothing, wounds, lucidity, blood trails, rigor mortis
- Consider health and safety risks
- Cover hands, feet, and head with paper bags secured with tape to prevent loss of trace evidence.
- Ensure clothing is not contaminated
- Wrap body in plastic and place in body bag
- Search underneath where the body lay
- Retain all materials used to move the body
- Wait for OC investigation approval before moving
- Arrange undertakes to transport body to mortuary and accompany. Ensure sterile bag is used.
Appreciation factors to consider prior to post-mortem
- ID of body at the mortuary
- Authority from coroner to conduct post-Mortem
- Safe custody of exhibits
- Determine who should attend
- Appropriate resources at PM e.g exhibit bags
- Family/cultural considerations
- Any likely requirement for subsequent post mortem
- Any specific need for examination or sampling based on known facts
Purpose of a post mortem
- Determining where possible the mode and time of death
- Establishing how injuries/events at the the scene may have contributed toward the death
- Determine nature and size of any weapon used
- Determine approximate height and stature of suspect
- Provide area of interest for subsequent interviews
- Negating possible defences
- ID victim of this has not been established
Who may attend a post mortem
- Pathologist and any pathologist assisting
- Coroner
- Doctor who treated the deceased
- A doctor representing the interests of a suspect
- Any other doctor or trainee doctor
- Police
- Anyone else authorized by the coroner
Police who should attend PM
- OC investigation
- OC body and possiblY OC exhibits for PM if required
- Photographer
- SOCO/fingerprint officer if required
Other experts OC investigation may consult regarding conduct of PM
- Odontologist
- Biologist
- Toxicologist
- Ballistics expert
- Entomologist
- DVI
- Anthropologist
Equipment for PM
- MEK
- Toxicology kit
- Body label
- An exhibit schedule
- Completed Pol47
- Deceased person notification
- Deceased person identification
- Packaging supplies
- Protective clothing
- Scene photos
- Exhibit number range from OC investigation
- Firearms residue kit if relevant
Actions on arrival at mortuary
- Ensure mortuary staff do not wash the body
- Ensure body is labeled and secured in fridge
- Retain any key used to secure body until required for post mortem
- Ensure body remains in present condition until commencement of PM
- Arrange formal ID if required
Other methods of victim identification
- Fingerprints
- DNA profiling
- Dental records
- Eye exam records
- Personal effects
- Facial reconstruction
- Other specific identifying features (scars, birth marks, prosthetics) obtained through medical records
Information available through skeletal remains
- Whether bones are human
- Age, gender, height and race of the person