WEEK 1: INTRODUCTION TO AUTOPSY AND FORENSIC PATHOLOGY Flashcards
Define the term forensic.
Derived from Latin “FORENSIS” ~ “FORUM”
Means: “pertaining to the LAW”, specifically “public debate in Courts of Law”
The application of scientific methods and techniques to the investigation of crime
…. thus, gathering factual scientific evidence to be presented in a Court of Law.
What does forensic pathology deal with?
Outline Processes/ activities done in forensic pathology.
What is the purpose of forensic pathology?
Deals with issues relating to all unnatural or sudden unexplained / procedure-related / suspicious deaths.
Includes: death scene investigation, ML autopsy, evidence collection, victim identification, referrals to other FORENSIC SCIENCE experts viz toxicologists, anthropologists, serologists, odontologists, DNA experts etc.
Purpose to establish cause / mechanism / manner of death.
What is forensic evidence?
The term FORENSIC EVIDENCE is used to describe the nature by which information is presented to the courts.
State the 3 types of evidence and their examples.
3 Main Types of Evidence:
1.VERBAL / TESTIMONIAL EVIDENCE
Statements made under oath eg in Court of Law
E.g. WITNESSES & EXPERTS (who may render OPINION testimony)
PROBLEM: Eyewitness “Misidentification” Testimony = single greatest cause of wrongful convictions in the USA - plays a role in nearly 75% of convictions overturned through DNA testing
2.DOCUMENTARY EVIDENCE – Affidavit/Sworn Affirmation
Reports – Laboratory-, Hospital-, Autopsy Reports
Photographs
3.PHYSICAL EVIDENCE (“real objects”)
Can take any form – large or ‘trace’
E.g. bullets, pill containers, needles, syringes, substances / drugs found at scene OR in tissue / blood samples.
What is physical evidence?
Outline what it may be used for.
Give the examples
Any tangible article, small or large that can be used to approve or disapprove a point in question.
1.To reconstruct the crime or circumstance of death
2.To identify the participants
3.To confirm or discredit an alibi
OBJECTS
*Weapons
*Tools
*Firearms
*Displaced furniture
*Notes, letters or papers
*Bullets
*Vehicles
*Cigarretes
BODY MATERIALS
*Blood
*Semen
*Hair
*Tissue
*Spittle
*Urine
*Feces
*Vomit
IMPRESSIONS
*Fingerprints
*Tire Trucks
*Footprints
*Palm prints
*Tool marks
*Bullet holes
*Newly damaged areas
* Dents and breaks
What is ana expert witness?
Outline the 3 important characteristics of expert witness.
Who is most likely to be an expert witness?
1.EXPERT WITNESS is someone who is deemed a SPECIALIST IN A FIELD, often technical and/or scientific.
May be called upon to present his/her EXPERT OPINION without having been a witness to any occurrence relating to a case.
2.Expert must be APPROPRIATELY QUALIFIED to render OPINION testimony, by virtue of his/her expertise, training, experience and special knowledge.
Expert expected to adhere to particular FIELD OF EXPERTISE
Expert witness should provide INDEPENDENT ASSISTANCE to the COURT by way of objective, unbiased opinion within his/her FIELD OF EXPERTISE
3.Ultimately expected from FORENSIC SCIENTISTS & -MEDICAL PRACTITIONERS to be called as EXPERT WITNESSES
Most countries internationally render medicolegal death investigation services using CORONERS / MEDICAL EXAMINER SYSTEMS.
What is a coroner?
Who is a medical examiner?
A coroner is an elected or appointed official who may have no forensic science qualification in charge of forensic pathology services.
A medical doctor who has specialized in forensic pathology in charge of and rendering forensic pathology services.
Outline 5 types of medicolegal deaths.
*All unnatural/violent deaths (Homicides, suicides, accidental)
*Suspicious and sudden unexpected deaths
*Custodial death
*Cause of death in unknown
*Procedure related deaths
What is the purpose of medicolegal death investigation? Give 8.
*Detection of crime
*Quality Statistics
*Audit
*Citizen rights
*Investigation certain aspects of death
*Procedure related deaths
*Custodial deaths
*Occupational deaths
How does the family value autopsy?
Name 5.
*Shortens the grieving period
*Less likely to suffer from Post Traumatic Stress Disorder (PTSD) and Depression
*Inheritance diseases
*Insurance company
*Motor Vehicle accident fund
How do clinicians’ and hospitals value autopsy information?
To improve, through death auditing, the quality of care of patients received in our hospitals.
Describe mortality focus.
Mortality is the tip of an iceberg.
What are forensic autopsies likely to be done on who?
*Deaths due to violence, suspicious or unexplained cause
*Unexpected/unexplained deaths of infants and children
*Deaths of persons in custody
*Deaths due to acute workplace injury
*Deaths due to electrocution, drowning, intoxication by alcohol, drugs or poison, charred bodies, skeletonized bodies
Outline 6 autopsy elements.
*Examination of the scene
*Identification of the decedent
*External and Internal examination
*Toxicological and Histological studies
*Interviews with doctors, witnesses
*Evaluation of relevant records
Outline 7 autopsy findings.
*Type of weapon used
*Consistency of wounds and evidence
*Determination of fatal wound
*Length of time of victim survival
*Post-injury abilities of decedent
*Whether body was dragged or dumped
*Vectors of applied force