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BASIC ANALYSIS OF BLOODSTAIN PATTERNS

ONTARIO, CA  |  MARCH 21 - 25, 2022
Picture
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.
COURSE FLYER
registration

Basic Analysis of Bloodstain Patterns

​​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
  • 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


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.

REGISTRATION

We have a new registration process. To make a payment and register for this course, please click the registration button below.
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  • Home
  • Hosting
    • Becoming A Host Agency
    • Hosting Responsibilities
    • Hosting FAQs
  • Courses
    • Webinars
    • Upcoming Courses
    • Course Catalog
    • Custom Designed Courses
  • INSTRUCTORS
  • Students
    • Information for Students
    • Student Registration
    • Forensic Training Policies
    • Student Testimonials
  • IAI
    • IAI Partnership
    • IAI Certifications
  • News & Info
    • What's New?
    • Online Articles
    • About Tri-Tech Training
    • About Tri-Tech Forensics
  • CONTACT
    • Contact Info