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Crime Scene Investigation SIFS INDIA Pvt Ltd .pdf



Original filename: Crime Scene Investigation - SIFS INDIA Pvt Ltd.pdf
Title: CRIME SCENE INVESTIGATION
Author: sifs

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#CRIME SCENE
INVESTIGATION

SHERLOCK INSTITUTE OF FORENSIC SCIENCE INDIA (SIFS INDIA)

Crime Scene Investigation
!! WHAT IS CRIME !!
* The word Crime is derived from the Latin root Cerno, meaning "I
Decide, I Give Judgment.
* Crime is the breach of Rules or Laws for which some Governing
Authority (via mechanisms such as legal systems) can Ultimately
Prescribe a Conviction.

#Crime Scene Investigation
!! PROSPECTUS !!
Module-1:
Module-2:
Module-3:
Module-4:
Module-5:
Module-6:
Module-7:
Module-8:

Crime Scene Investigations
Physical Evidence
Investigation Techniques
Glass Evidence
Soil Evidence
Paint Evidence
Tool Marks and Impressions
Fiber

#Crime Scene Investigation
!! CRIME SCENE INVESTIGATION !!
* Based on the Scientific Method and the Locard Exchange Principle, Logic and
Forensic Techniques Involve
* Recognition- Scene Survey, Documentation, Collection
* Identification- Comparison Testing
* Individualization- Evaluation and Interpretation
* Reconstruction- Reporting and Presenting
Goals are to determine the following…
* What happened
* Where did it happen
* When did it happen
* Why did it happen
* Who may have perpetrated these actions
* How was the incident carried out

#Crime Scene Investigation
!! TYPE OF CRIME SCENE !!
INDOOR CRIME SCENE: Evidence at an indoor scene is generally less

susceptible to loss, contamination and deleterious change. Indoor
crime scenes are usually easier to secure and protect, and securing
a scene can be as simple as closing a door.
OUTDOOR CRIME SCENE: The outdoor crime scene is the most

vulnerable to loss, contamination, and deleterious change of
physical evidence in a relatively short period of time. Individuals
with access to the scene can potentially alter, destroy or
contaminate evidence.

#Crime Scene Investigation
!! TYPE OF EVIDENCE !!
* Direct Evidence that (if true) proves an alleged fact; includes first
hand observations such as eyewitness accounts. Confessions are
also considered direct evidence. Also police dash videos
* Circumstantial Evidence is indirect evidence that can be used to
imply a fact but that does not directly prove it; but circumstantial
evidence at a crime scene may provide a link between the crime
scene and the suspect.
* Circumstantial evidence can be either physical or biological in
nature.

#Crime Scene Investigation
*
*
*
*
*
*
*
*
*

!! PHYSICAL EVIDENCE !!
PHYSICAL EVIDENCE includes impressions such as…
Fingerprints
Footprints
Shoe Prints
Tire Impressions
Tool Marks
Fibers
Weapons
Bullets
Cartridge Cases.

#Crime Scene Investigation
!! BIOLOGICAL EVIDENCE !!

*
*
*
*

BIOLOGICAL EVIDENCE includes…
Body Fluids
Hair
Plant Parts
Natural Fibers.

#Crime Scene Investigation
!! THE 7th CRIME SCENE INVESTIGATION !!
*
*
*
*
*
*
*

Securing the Scene
Separating the Witnesses
Scanning the Scene
Seeing the Scene
Sketching the Scene
Searching for Evidence
Securing & Collecting Evidence


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