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CRIME SCENE DOCUMENTATION CRIME SCENE DOCUMENTATION

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Page 1: Crime Scene Doc

CRIME SCENE CRIME SCENE DOCUMENTATIONDOCUMENTATION

Page 2: Crime Scene Doc

THREE BASIC WAYS THREE BASIC WAYS OF DOCUMENTING A CRIME SCENEOF DOCUMENTING A CRIME SCENE

NOTE TAKINGNOTE TAKING

PHOTOGRAPHYPHOTOGRAPHY

SKETCHINGSKETCHING

Page 3: Crime Scene Doc

NOTES ARE VALUABLE . . .NOTES ARE VALUABLE . . .

AS AN AID TO AN ACCURATE RECALL OF EVENTS AS AN AID TO AN ACCURATE RECALL OF EVENTS TO BE TESTIFIED IN COURT.TO BE TESTIFIED IN COURT.

TO FURNISH RAW MATERIAL NEEDED IN A TO FURNISH RAW MATERIAL NEEDED IN A FORMAL REPORT.FORMAL REPORT.

NOTE TAKINGNOTE TAKING

Page 4: Crime Scene Doc

TIME & DATE OF ARRIVAL AT THE CRIME SCENETIME & DATE OF ARRIVAL AT THE CRIME SCENE NATURE OF THE CASENATURE OF THE CASE

(Shooting Incident, Stabbing Incident, Alleged Suicide, Found Dead Body, (Shooting Incident, Stabbing Incident, Alleged Suicide, Found Dead Body, etc,,) etc,,)

PLACE OF OCCURENCEPLACE OF OCCURENCE FIRST RESPONDERS FIRST RESPONDERS TIME & DATE DISCOVEREDTIME & DATE DISCOVERED WHO DISCOVERED THE SCENE? WHO DISCOVERED THE SCENE? STATUS OF THE VICTIMSTATUS OF THE VICTIM NAME OF THE VICTIMNAME OF THE VICTIM WHEN THE VICTIM WAS LAST SEEN ALIVE?WHEN THE VICTIM WAS LAST SEEN ALIVE? WHAT WAS THE ACTIVITY & WITH WHOM?WHAT WAS THE ACTIVITY & WITH WHOM? NAME OF THE SUSPECT (IF IDENTIFIED)NAME OF THE SUSPECT (IF IDENTIFIED) DESCRIPTION OF THE SUSPECT (IF AVAILABLE)DESCRIPTION OF THE SUSPECT (IF AVAILABLE) NAMES & ADDRESSES OF WITNESSES NAMES & ADDRESSES OF WITNESSES WEATHER CONDITION WEATHER CONDITION PERSONS WHO ENTERED THE CRIME SCENEPERSONS WHO ENTERED THE CRIME SCENE PURPOSE OF ENTERING THE CRIME SCENEPURPOSE OF ENTERING THE CRIME SCENE OTHER INFO AS ACQUIREDOTHER INFO AS ACQUIRED TIME & DATE CRIME SCENE RELEASEDTIME & DATE CRIME SCENE RELEASED

ESSENTIAL ITEMS OF INFO TO BE INCLUDED DURING ESSENTIAL ITEMS OF INFO TO BE INCLUDED DURING NOTE TAKINGNOTE TAKING

Page 5: Crime Scene Doc

CRIME SCENE PHOTOGRAPHYCRIME SCENE PHOTOGRAPHY

THE GOAL IS TO RECORD USEFUL INFORMATION IN THE GOAL IS TO RECORD USEFUL INFORMATION IN A SERIES OF PHOTOGRAPHS WHICH WILL ENABLE A SERIES OF PHOTOGRAPHS WHICH WILL ENABLE THE VIEWER TO UNDERSTAND WHERE & HOW THE THE VIEWER TO UNDERSTAND WHERE & HOW THE

CRIME WAS COMMITTED.CRIME WAS COMMITTED.

Page 6: Crime Scene Doc

IMPORTANT REMINDER:IMPORTANT REMINDER:

PHOTOGRAPH . . .PHOTOGRAPH . . .

……THE SCENE BEFORE EXAMINATIONTHE SCENE BEFORE EXAMINATION

……THE ITEMS BEFORE MOVING OR TOUCHINGTHE ITEMS BEFORE MOVING OR TOUCHING

……THE POSSIBLE POINTS OF ENTRY & EXIT OF THE SUSPECT THE POSSIBLE POINTS OF ENTRY & EXIT OF THE SUSPECT

(ENTRANCE & ESCAPE ROUTES)(ENTRANCE & ESCAPE ROUTES)

Page 7: Crime Scene Doc

Four (4) Corner Shots:

CRIME SCENE

Page 8: Crime Scene Doc

3 TYPES OF “RANGES”3 TYPES OF “RANGES”

LONG-RANGELONG-RANGE (General View)(General View)

MID-RANGE MID-RANGE (Medium View)(Medium View)

CLOSE-UP RANGECLOSE-UP RANGE

(Less than 5 ft.)(Less than 5 ft.)

Page 9: Crime Scene Doc

Long Range or General View

Page 10: Crime Scene Doc

CRIME SCENE PHOTOGRAPHYCRIME SCENE PHOTOGRAPHY

Long Range or General View

Page 11: Crime Scene Doc

CRIME SCENE PHOTOGRAPHY

Mid-Range or Medium View

Page 12: Crime Scene Doc

Mid-Range or Medium View

Page 13: Crime Scene Doc

CRIME SCENE PHOTOGRAPHYCRIME SCENE PHOTOGRAPHY

Close-up Range

Page 14: Crime Scene Doc

Close-up Range

Page 15: Crime Scene Doc

TAKING PHOTOGRAPHTAKING PHOTOGRAPHWith Measuring Device and Case Number

Page 16: Crime Scene Doc

SIGNIFICANT INFORMATION A PHOTOGRAPHER SHOULD RECORD IN A PHOTO LOG

•TYPE OF CAMERA USED

•FILM - (COLOR OR BLACK & WHITE / NUMBER OF SHOTS)

•LENS OPENING

•SHUTTER SPEED

•WITH FLASH OR WITHOUT FLASH

•LIGHTING CONDITION IN THE AREA

•TIME & DATE PHOTOGRAPHS TAKEN

•NAME OF PERSON WHO DEVELOPED THE FILM

•TIME AND DATE DEVELOPED

•PLACE DEVELOPED

•NAME & SIGNATURE OF PHOTOGRAPHER

Page 17: Crime Scene Doc

START SHOT

CASE NO: SOCO-2007-98

CASE: SHOOTING INCIDENT

TIME & DATE: 2100 Hrs, 21 SEP 07

PLACE: RM 69, SKY MOTEL, CEBU CITY

END SHOT

CASE NO: SOCO-2007-98

CASE: SHOOTING INCIDENT

TIME & DATE: 2100 Hrs, 21 SEP 07

PLACE: RM 69, SKY MOTEL, CEBU CITY

FILM IS EVIDENCE“KEEP IT FOR FUTURE PRESENTATION IN COURT”

1 2 3 4 5 6 7 8

Page 18: Crime Scene Doc

CRIME SCENE SKETCHINGCRIME SCENE SKETCHING

CRIME SCENE SKETCH SHOULD ALSO BE ROUTINELY MADE.

Page 19: Crime Scene Doc

•SKETCHES SUPPLEMENT PHOTOGRAPHS.

• SKETCHES CLARIFY THE APPEARANCE OF THE CRIME SCENE.

• SKETCH IS SIMPLY AN ILLUSTRATIVE DIAGRAM OR DRAWING.

CRIME SCENE SKETCHINGCRIME SCENE SKETCHING

• IT SHOULD BE SIMPLE THAT THE COURT CAN EASILY COMPREHEND.

• MEASUREMENTS HELP DETERMINE THE RELATIONSHIP OF EACH EVIDENCE.

Page 20: Crime Scene Doc

THERE ARE THREE (3) COMMON TYPES OF SKETCHES

1. The Overview or Floor Plan Sketch

2. The Elevation Sketch

3. The Cross Projection or Exploded Sketch

Page 21: Crime Scene Doc

OVERVIEW OR FLOOR PLAN SKETCH

V

BED

12

LEGEND

V – VICTIM

1 – CAL .45 FIRED SHELL

2 – 9mm PISTOL

Page 22: Crime Scene Doc

ELEVATION SKETCH

AIRCON

3

4

LEGEND

3 – BULLET HOLE

4 – BULLET HOLE

Page 23: Crime Scene Doc

ELEVATION SKETCHELEVATION SKETCH

AIRCON

6

7

8

LEGEND

6 – bullet hole

7 – bullet hole

8 – blood splatter

3 ft. 6 in.2 ft. 9 in.

2 ft. 3 in.

Page 24: Crime Scene Doc

CROSS PROJECTION OR CROSS PROJECTION OR EXPLODED SKETCHEXPLODED SKETCH

V

LEGEND

V – Victim

1&2 – 9mm fired shell

3 – More Cigarette butt

4 – Pool of blood

5 – deformed slug

6 & 7 – bullet holes

8 – blood splatter

T – Table

AIRCON

6

7

8

WALLWALL

WALL

WALL

T

5

3

S

4

BED

FLOORBR CR

2

1

V

Page 25: Crime Scene Doc

CROSS PROJECTION OR EXPLODED SKETCH

AIRCON

BED CEILING

Page 26: Crime Scene Doc

FOR PURPOSES OF REENACTMENT…

LOCK THE EVIDENCE.

UNLOCKED / LOOSE LOCKED

Page 27: Crime Scene Doc

EP

1

4

3

2

RCBCSMARTCONVENIENCE STORE

RIZAL ST. to CITY HALL

IPIL ST

LEGEND

1-2 – 9mm FIRED SHELL

3-4 - .45 Cal FIRED SHELL

EP – Electric Post

V - Vehicle

V

OVERVIEW SKETCH

(OUTDOOR)

Page 28: Crime Scene Doc

VEHICLE SKETCH

CASE NO. CPPO-N-01-2007

CASE: SHOOTING INCIDENT

DATE: 21 JANUARY 2007

PLACE: RIZAL ST. COR IPIL ST., NAGA, CEBU

VICTIM: ABU TAN

SUSPECT: UNIDENTIFIED

INVES ON CASE: SPO1 DON JUAN

UNIT; NAGA POLICE STATION

T/D SKETCHED: 1000H, 21 JANUARY 2007

SKETCHED BY: PO2 DANNY TECSON

SIGNATURE: _____________________

WITNESS: ______________________

LEGEND

1-7 – Bullet Entrance Holes

8 - Blood

12

3

4

56

7

8

Page 29: Crime Scene Doc

METHODS OF MEASUREMENTS

1. TRIANGULATION METHOD

This method is useful in an outdoor situation where there are no easily identifiable edges of roads or fields to use as reference points.

Page 30: Crime Scene Doc

E

TRIANGULATION METHOD

Page 31: Crime Scene Doc

METHODS OF MEASUREMENTS

2. RECTANGULAR METHOD

This method uses two walls in a room as fixed points, from which distances are measured at right angle from the object.

Page 32: Crime Scene Doc

SINGLE REFERENCE POINT

W

E

REF POINT

100 meters

25m

50m

75m

Page 33: Crime Scene Doc

REENACTMENT

W

100 meters

25m

50m

75m

Page 34: Crime Scene Doc

COMMERCIAL BLDG.

HOUSE

LEGEND

5.56mm fired shell

9mm fired shell

Cal .45 fired shell

GARBAGE GARBAGE

Page 35: Crime Scene Doc

COMMERCIAL BLDG.

HOUSE

LEGEND

5.56mm fired shell

9mm fired shell

Cal .45 fired shell

Cal .45 fired shell

GARBAGE GARBAGE

Page 36: Crime Scene Doc

HOUSE

LEGEND

5.56mm fired shell

9mm fired shell

Cal .45 fired shell

Cal .45 fired shell

GARBAGE GARBAGE

COMMERCIAL BLDG.

Page 37: Crime Scene Doc

Questions?

Page 38: Crime Scene Doc

Thank you!Thank you!