Kategorier: Alle - psychological - evidence - reconstruction - crime

af Michaela Garrett 12 år siden

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An Introduction to Crime Reconstruction

Crime reconstruction involves analyzing and reconstructing the events of a crime by collecting and interpreting various types of evidence. Key evidence types include directional, which indicates the movement of objects or individuals; action, which details events during the crime; and sequential, which helps determine the chronological order of events.

An Introduction to Crime Reconstruction

An Introduction to Crime Reconstruction

Dynamic Influences Post-Discovery

Chain of Custody/Chain of Evidence
Premature Disposal/Distruction
Examination by Forensic Personnel
Storage
Packaging/Transportation
Premature Scene Cleanup
Coroner/Medical Examiner
Evidence Technicians
Failure to Search or Recover

Dynamic Influences Pre-Discovery

Security

Limiting access to only necessary personnel and controlling it by means of a security officer who logs the entry times, exit tiems, reason for entry, and duties performed of each person who passes though the tape.

Emergency Medical Team

May relocate and destroy evidence, obliterate patters, cause transfers, tear clothing, and add artifacts.

First Responder

First responder is to protect life not preserve evidence. Must refrain from touching evidence at the scene before it is properly documented.

Fire

Can destroy all physical evidence related to criminal activities

Animal Activity/Predation

The feeding activites of all manner of indigenous wildlife can relocate body parts, obliterate patterns, and further obscure, obliterate, or mimic injury to a body.

Decomposition

Can obscure, obliterate, or mimic the evidnce of injury to a body.

Weather/Climate

Influences the nature and quality of all evidence left behind.

Witnesses

Influences the nature and quality of evidence that is left behind.

Secondary Transfer

Observing scene to decide whether or not it was or was not.

The Crime Scene

Offender Actions
Ritual or Fantasy

Can include postmortem mutilation, necrophilia, and purposeful arrangement of a body or items in a scene.

Staging

Manipulation of the crimescene to change the apparent 'motive'.

Precationary Act

Acts before, during, and after that are intended to confuse or mislead investigators or foresnic experts for the purpose of identifying the perpetrator or his connection to the crime.

Event Analysis

Evidence

Can be one or multiple of the below.

Psychological

Any act committed by the perpetrator to satisfy a personal need or motivation.

Temporal

Anything that specifically denotes or expresses the passage of time at the the crime scene relative to the commission of the crime.

Inferential

Anything that the reconstructionist thinks may have been at the scence when the crime occurred but was not actually found.

Limiting

Defines the nature and boundries of the crime scene.

Associative

Usually a form of trace evidence that can be identified or ownership evidence.

Ownership

Something that helps answer the Who question with a digh degree of certainty.

Contact

Something that demonstrates whether and how tow persons, objects, or locations were at one point associated with eachother.

Action

Defines anything that happened durign the commission of the crime.

Locational

Shows where something happened, or where something was, and its orientation with respect to other objects at location.

Directional

Anything that shows where something was goign or where it came from.

Sequential

Anything that establishes or helps to establish when an event occurred or the order in which two or more events occurred.

Collect data, establish likely events