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EVIDENCE. COLLECTION AND DETECTION . TYPES OF EVIDENCE. DIRECT EVIDENCE Evidence that proves a fact or proposition directly, rather than by secondary deduction or inference. Examples: Eye Witness Testimony Confession. INDIRECT EVIDENCE “Circumstantial”
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EVIDENCE COLLECTION AND DETECTION
TYPES OF EVIDENCE • DIRECT EVIDENCE • Evidence that proves a fact or proposition directly, rather than by secondary deduction or inference. • Examples: Eye Witness Testimony • Confession • INDIRECT EVIDENCE • “Circumstantial” • A fact that can be used to infer another fact. • Examples: Body fluids, fibers, and expert witnesses.
FORENSIC EVIDENCE: Scientific evidence collected from a crime scene.
TYPES • BLOOD • TRACE • FINGERPRINTS • BALLISTICS • DNA EVIDENCE • IMPRESSION • Examining the location, spread, and trajectory of blood at a crime scene. Location of the victim, perpetrator, and the type of weapon. • Small pieces of evidence that are collected and are related to the victim or perpetrator. • Analysis to determine shape and pattern. • Study of firearms and ammunition. • Identification of individuals. • Identification of impressions left behind when an object makes contact with a softer surface.
CRIMINALISTICS • The application of various sciences to answer questions relating examination and comparison of biological evidence, trace evidence, impression evidence (fingerprints, shoeprints, tire tracks), controlled substances, firearms, and other evidence from criminal investigations.
Forensic Odontology • Forensic Dentistry • Dental Evidence • Age and identification • Bite Marks
Forensic Toxicology • Investigations involving poisoning • Visual • Physical
Forensic Engineering • Failure of devices and structures • Reverse engineering • Inspection of witness statements • Standard investigation
Forensic Economics vs. Forensic Accounting • Interpretation of economic damage evidence that includes lost earnings and benefits, lost values, replacement costs, and medical care costs. • Vs. • Study and interpretation of accounting evidence.
Forensic Psychology vs. Forensic Psychiatry • Legal aspects of human behavior • Child custody • Child abuse: Emotional, physical, and sexual nature • Competency • Personal capacity to manage one’s own affairs • Criminal responsibility • Sentencing: Mitigating and aggravating
Forensic Anthropology • Recovery and identification of skeletal remains of a dead body.
Forensic Entomology • Examination of infesting insects, in, on, and around human remains in order to assist with determination in time and location of death.