BASIC ANALYSIS OF BLOODSTAIN PATTERNS
ONTARIO, CA | MARCH 21 - 25, 2022
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Instructors:
Todd Crosby, BS & Brian Hargrove, BS Location: Ontario Police Department 2500 S Archibald Ave Ontario, CA 91761 Hours: 8:00 am - 5:00 pm Tuition: $749.00 This course is presented in partnership with the International Association for Identification. |
Basic Analysis of Bloodstain Patterns
Outline
Day 1
Day 2
Day 3
Day 4
Day 5
Outline
Day 1
- Pretest
- What is BPA? What can it do for you?
- Case Presentation
- Composition of Blood
- Human vs. nonhuman
- Unknown effects of drugs and alcohol
- Physics of Blood
- Surface tension
- Oscillation
- Drop Formation
- Viscosity
- Gravity
- Terminal Velocity
- Flight Paths
- Description of Bloodstains
- Size
- Shape
- Distribution
- Appearance
- Other
- What is BPA? What can it do for you?
- Drip Stains and Drip Trails
- Slow speed videos
- Size, shape, appearance, distribution
- Blood Borne Pathogens
- Appropriate PPE
- Experiments:
- Drips as a function of volume and distance fallen
- Drips as a function of angle
- Drips as a function of surface textures
- Drip stains off of weapons vs. stain size
- Transfer, Swipe, and Wipe
- Slow speed video
- Size, shape, appearance, distribution
- Experiments:
- Transfer patterns
- Swipe patterns
- Wipe patterns
- Drip stains as a function of motion and distance
- Projected, Splash, Drip
- Slow speed video
- Size, shape, appearance, distribution
- Experiments:
- Projected Patterns
- Vertical
- Horizontal
- Splash Patterns
- Drip Patterns
- Projected Patterns
Day 2
- Impact Patterns
- High speed video
- Size, shape, distribution, appearance
- Forward spatter and Back spatter
- Cast Off Patterns
- High speed video
- Size, shape, distribution, appearance
- Experiments:
- Impact patterns as a function of force and distance
- Impact patterns as a function of volume of blood
- Impact patterns as a function of weapon used
- Cast Off patterns as a function of direction of travel and weapon used
- Impact patterns – Gun shot
- Mathematics
- Metric vs. Imperial
- Calculator
- Measuring Devices
- Trig Formulas
- Sine Method
- Forensic software programs
- Angle of Impact
- Balthazard
- Practical Exercises:
- Measure angle boards
- Area of Convergence
- Area of Origin
- Piatrowski
- Practical Exercises:
- Find A of C and A of O
Day 3
- Preservation and Evaluation of Scene
- Is there a need for BPA?
- Have presumptive tests been performed?
- History of the scene
- Origin of evidence
- Post-event intervention?
- Preservation
- Environmental factors
- Scene Integrity
- Presumptives and Chemical Testing
- Hemastix
- LCV
- Pheno
- Bluestar/Luminol
- Clothing and other surfaces
- Absorbancy
- History
- Porosity
- Texture
- Environmental Factors
- Clotting time
- Drying time
- Airflow
- Humidity
- Temp
- Weather
- Post Incident Activity
- Animal Activity
- Fire Effects
- Fire Suppression
- First Responders
- Insect activity
- Medical Intervention
- Members of the public
- Movement of the injured
- Staging of the scene
- Practical Exercises:
- Pattern Recognition
Day 4
- Documentation
- Note taking
- Photography (procedures, scales, lighting)
- Diagrams
- Sketches
- Collection and Packaging of Evidence
- Documentation of specific stains and evidence to be collected
- Collection methods
- Contamination issues
- Packaging
- Evidence storage
- Preservation during transportation
- Evidence submission
- Special Considerations for collection of bloodstained clothing
- Changes due to improper item handling, packaging, storage, and transportation
- Practical Exercise:
- CRIME SCENE
Day 5
- Scientific Method
- Ethics, Context Bias, Limitations
- Examples of case specific experimentation
- Report Writing
- Event reconstruction
- Medical reports
- Autopsy reports
- Lab reports
- Crime scene reports
- Interpretation of data
- Sequence of Events
- Interpretations
- Opinions
- Conclusions
- Tech Review
- Courtroom Testimony
- History
- Kirk
- MacDonell
- IABPA
- IAI
- SWGSTAIN
- Crime Scene Presentations
- IABPA/ACSR Application Endorsements
- Course Evaluations
- Final Test
LODGING
Holiday Inn Express & Suites Ontario Airport
2280 South Haven Avenue
Ontario, CA 91761
909-930-5555
Booking Rate: $111 plus tax
Amenities: Free Breakfast, Free Wi-Fi, Free Parking, Free Airport Shuttle
Booking Info: Call the hotel and mention Tri-Tech Forensics to receive the special rate. A booking link will be added at a later date.
Holiday Inn Express & Suites Ontario Airport
2280 South Haven Avenue
Ontario, CA 91761
909-930-5555
Booking Rate: $111 plus tax
Amenities: Free Breakfast, Free Wi-Fi, Free Parking, Free Airport Shuttle
Booking Info: Call the hotel and mention Tri-Tech Forensics to receive the special rate. A booking link will be added at a later date.
REGISTRATION
We have a new registration process. To make a payment and register for this course, please click the registration button below.
We have a new registration process. To make a payment and register for this course, please click the registration button below.