Standard Operating Procedure Flashcards
Corporal’s equipment
Photography equipment
Crime scene sketch equipment
Equipment for processing latent prints
Equipment for collection and preservation of physical evidence
Crime scene processing: initial phase: preliminary organization of thought
- type of crime
- personal injury
- type and amount of evidence present
- topography of scene area
- individuals present/possible crowd
- potential intrusions/scene security
- additional personnel needed
Possible personnel needed for crime scene
- K9 search (suspects, contraband)
- Fire/rescue
- Translators
- CPS
- Medical examiner
- Detectives
- Supervisors
- CAs
- Extra units (crowds, traffic, perimeter)
- ERT/negotiators
- Tow
Initial phase: approach to scene
Safety Protect potential evidence Accessibility to crime scene Accessibility to equipment Use of safety equipment (ppe)
Initial phase: scene security and preservation of evidence
Officers
Physical barriers
Combination officer/barrier
Internal/external locations
Initial phase: questioning of first officer on the scene
Develop awareness and understanding of scene
Gather and discern as much info as practical for existing conditions
Use the perceptions of others to aid in thought pattern
Initiate note taking
Others present before first officer (family, medics, neighbors)
Initial phase: preliminary scene survey
Observe and record Determine nature and extent of crime scene Determine location of evidence Determine order of collection Establish best working route Duplicate movement of perp in thought Note all existing conditions Note all items out of place or damaged Note relationships between items Initiate rough sketch Take over all photos
Note all existing conditions
Lights on/off Setting of temperature controls Windows open/closed locked/unlocked Blinds/shades/curtains Disturbed dust Stages of food preparation Doors locked/unlocked Tobacco products lit/burning Drinking containers/glasses out Appliances/utensils on/off
Initiate rough sketch
Dimensions
Relationship of outdoor crime scene to other buildings, roads, etc
Address, floor or room number
Location of significant features including the victim
Date, time and your name
North
Location of physical items of evidence recovered
Report number
“Key” noting item number and description
Take over all photography
Wide angle (interior only) Several locations Interior from four corners Exterior off of corners 75-100ft Photograph surrounding area (escape routes) Maintain natural perspective Photos from viewpoint of witnesses Back up photography Video photography
Collection phase: reapproach to crime scene area
Maintain working route
Collection equipment close to working area-minimize movement
Maintain security
Collection phase: mid-range photos
Orientation to evidence
Relation of certain items
Link between over-all and close up at time of collection
Natural perspective
Collection phase: close-up photos
Identify each item One with no scale One with scale and identification info At time of collection As clause as item size will allow (fill camera viewfinder with item)
Collection phase: collection of each item
Measurements -triangulation -base line/coordinate Visual examination -oblique flashlight -ultraviolet (UV) light -alternate light source Use of tweezers, forceps, etc Notation of each item Proper order of collection Use of adhesive on post-its Collection controls or knows
Collection phase: marking evidence
Purpose-identification/avoids confusion
Marking instruments-permanent marker/scribe
Info-report #/evidence item #/location/type of crime/date & time/name/description of item
Technique-mark actual item when practical (initials)/mark container or tag when you can’t mark actual item
Packaging materials
Paper bags Plastic bags Pillboxes Druggist fold Glass jars Paint cans Cardboard boxes Evidence tape Specialized materials (Must be clean)
Collection phase: packaging techniques
Choice of proper container -size/weight/common sense nature of evidence -moisture-paper/wet-plastic -generally paper bags are most useful Package items separately Do not allow fluids or stains to touch -roll in paper/place protective layer on clothes before rolling Minimize interior movement Seal with tape Initial across seal Label and identify exterior as to content Label container before packaging
Final phase
Over-all measurements Fingerprint process fixes surfaces Final organized search -strip and cross strip -spiral-inward/outward -wall-exterior, large area -check ceiling/walls-use fresh person when possible Protect/seal/secure if return is necessary for additional evidence collection/processing.
Preservation of evidence: deteriorating item
Transport to lab same day
Air dry (at room temp), transport to lab
Refrigerate (no more than a week), transport to lab
Preservation of evidence: means of transportation
Hand delivered (preferred) Certified mail- indicate to whom delivered and date Maintain control of evidence until submitted "Request for lab exam" form with all evidence Primary responsibility for evidence is assigned CID personnel or investigating officer
ICPD Evidence Form (6B)
Item Number: number assigned to an item of evidence when it is processed (photographed, measured, sketched, collected and/or dusted)
Item: a description of evidence being processed
Location: Specific area on item being processed or location of item w/in general area
The blocks, which indicate the action taken SHALL be checked if item was processed in that manner.
Film selection: indicate the number of prints submitted
Narrative
ICPD Narrative
Detailed description of the scene
Detailed description of the items processed
Any unusual circumstances surrounding the collection of items
An explanation of why scene was not processed
Property Record Form
All items processed and/or collected will be described as completely as possible
The exact location and from whom the items were obtained
The name of person who collected items
The number assigned on the 6B should be used on property form
Money, firearms, and drugs will be separate property record forms
