CDI 2 - PRELIM

it can be defined as a location at which an offense was committed and where the potential for evidence of that crime may exist

Crime scene

the immediate scene only

Details

picture of the scene of the crime with its nearest physical surrounding.

Ground

This crime scene location is most vulnerable to weather condition

Outdoor crime scene

Basic Equipment for Preparation in investigation (7)

Police line Marker Camera with film Evidence collection kit Video camera and tape recorder Measuring device e.g. ruler and measuring tape Flood lights, hand gloves, masks, eye goggles, hairnet

A draft representation of all essential information and measurements at a crime scene. This sketch is drawn at the crime scene. It shows all recovered items of physical evidence, as well as other important features of the crime scene

Rough Sketch

Elements of sketch (5)

a. Measurement b. Compass direction c. Essential items d. Scale and proportion e. Title

3 bridges in Mistakes in the Homicide Investigation

a. The dead person has been moved b. The cadaver is embalmed c. The body is burned or cremated

It may include a home, automobile or a remote location in the woods.

crime scene

it is prepared indicating the actual measurement of things with scale and proportion observed and oriented to the North Pole. All necessary information are placed in the sketch.

rough sketch

Basic Guide for the Investigator: (3)

• Corpus delicti or facts that crime was committed. • . Method of operation of the suspect • . Identity of the guilty party

Mistakes in the Homicide Investigation (2)

• The mistakes of the homicide investigator cannot be corrected. • The homicide investigator should not cross the three bridges which he burns behind him. It is important that competent personnel adequately handle the case.

Primary Job of the Investigator (5)

1. To discover whether an offense has been committed under the law 2. To discover how it was committed 3. Who committed it and by whom it was committed 4. When it was committed 5. And under certain circumstances why it was committed

an area which, is ideally located adjacent to the Crime Scene where the CSI Evidence Custodian stays and receives the pieces of evidence turned over to him for safekeeping by the other evidence collectors.

Command Post

The First Responder shall: (6)

Cordon the area Evacuate injured persons to the nearest hospital; Cordon off crime scene with whatever available materials like ropes, straws, human barricade, police line; Prepare to take the "dying declaration" of severely injured person, if any; Prevent entry/exit of persons within the cordoned area; and Prepare to brief the CSI Team Leader of the situation upon their arrival.

Notes must include: (5)

Detailed written description of the Crime Scene with locations of physical evidence received The time when the physical evidence was discovered The person who discovered and collected physical evidence How the evidence was packaged and marked The disposition of the item when it was collected

These are made by the crime scene investigator for purposes of future crime scene reconstruction which help the prosecutor and the judge understand conditions at the crime scene.

Documentation

- Balance of team members • Conduct search • Collect and package evidence - Make sure all items collected are photographed, located on sketch, and logged

Evidence Collectors (4)

Prepare the evidence recovery log • Coordinate evidence packaging and preservation • Receive and record all evidence • Maintain chain of custody • Function as the Evidence Custodian

Evidence Recorder

gives the clear impression of the scene in cases where blood stains or bullet holes are found

Exploded/ cross projection

A precise rendering of the crime scene, usually drawn to scale. This type is not normally completed at the crime scene

Finished Sketch

they must be able to properly preserve the crime scene in order to get maximum scientific information that will help in the successful prosecution of the perpetrator of the crime.

First Responder

Generic term which includes Murder, Parricide, Infanticide or death where death where suicide is suspicious.

Homicide

Cases subject of Special Crime Investigation (7)

Homicide Sex Crimes Robbery ( theft and carnapping) Arson Swindling or Estafa Bank frauds Kidnapping

it is the official inquiry made by the police on the facts and circumstances surrounding the death of a person which is expected to be unlawful

Homicide Investigation

This crime scene location affords the crime scene protection from weather, and allows to take time and process the scene in a slow, methodical manner without concern for weather influences.

Indoor crime scenes

Crime Scene Locations (3)

Indoor crime scenes Outdoor crime scene Nighttime outdoor crime scene

give picture of the scene, the crime and its environs, including neighboring buildings, roads etc.

Locality

Specific kinds of sketch (4)

Locality Ground Details Exploded/ cross projection

Three Major Types of Pictorial Views

Long- range photograph Mid- range photograph Close- up photograph

This crime scene location presents the most problem.

Nighttime outdoor crime scene

it must be a constant activity throughout the processing of the crime scene.

Note Taking

. Photograph entire area before it is entered. • Photographs victims, crowd and vehicles. • Photograph entire scene with overall, medium and close-up coverage using measurement scale when appropriate. • Photograph major evidence items before they are moved • Photograph all latent prints and other impression evidence • Prepare photographic log and photographic sketch.

Photographer

General SOCO Procedures (10)

Preparation Prior to Conduct of SOCO Preliminary Crime Scene Survey Evaluation of Physical Evidence Narrative Description of the Crime Scene Crime Scene Photography/Videography Sketch of Crime Scene Detailed Crime Scene Search Physical Evidence Recording and Collection Final Crime Scene Search Turn-Over/Release of Crime Scene to Investigator-on-Case

BASIC PRINCIPLES IN THE INITIATION OF AN EFFECTIVE INVESTIGATION (3)

Rapid response to the crime scene by patrol officers. • Anything and everything should be considered as evidence. • After the scene is secured, immediate and appropriate notification must be made to the Scene of Crime Operation.

1. When called upon to investigate violent death, he stands on the dead man's shoes to produce his instincts against those suspects. 2. The enthusiasm and intelligence the investigator brings in the case marks the difference between a murderer being convicted and set free. 3. If he interprets a criminal death as accidental or natural, a guilty person is set free. 4. Remember that the police is the first line of defense in the effective application of criminal justice.

Responsibilities of Homicide Investigator (4)

They Diagram immediate area of scene and orient sketch with north. • Set forth on sketch major items of evidence. • Indicate adjacent buildings, rooms, furniture and so forth as needed. • Obtain appropriate assistance for taking measurements •Ensure necessary administrative information, such as scale disclaimer (not drawn to scale) is recorded on sketch

Sketcher

useful in questioning of suspects and witnesses as well as in the writing of investigative reports.

Sketches

deals with the study of major crimes based on the application of special investigative technique.

Special Crime Investigation

this study concentrates more on physical evidence, its collection, handling, identification and preservation in coordination with the crime laboratory.

Special Crime Investigation

• involves a close relationship between the prober in the field and the crime laboratory technician. They work together as a team, reacting to and extending one another's theories and findings both working patiently and thoroughly to solve a crime from their investigative discoveries.

Special Crime Investigation

include pathologists, anthropologists, entomologists, botanists, geologists, fingerprint specialists, bomb technicians, engineers etc...

Specialists

• Coordinate with the investigator - assume control • Conduct initial walk-through for purpose of making a preliminary survey. • Determine search patterns and make appropriate assignment for each members. • Designate command post location • Release the scene after a final survey and inventory of the evidence.

Team Leader

Composition of the CSI Team (7)

Team Leader Evidence Collectors City or Municipal/Health Officer Crime Photographer Sketcher/Measurer Evidence Custodian/Security Officer Security and Protection of the crime Scene