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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.
DOWNLOAD COURSE FLYER
download registration form
Download credit card form

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

To register for this course, please download the Course Registration Form (PDF file).  Fill out the form and email the completed PDF file to Phil Sanfilippo at phil@tritechusa.com.
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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