TRITECH FORENSICS TRAINING
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ANALYSIS AND PROCESSING OF CRIME SCENES

​Instructor:
Domingo Villarreal
Course length: 40 hours


This course provides crime scene technicians, detectives, and police officers with the necessary knowledge and skills for the interpretation and reconstruction of events at a scene of a crime, the proper collection, preservation, and packaging of evidence. Participants will also learn best practices for crime scene investigation and documentation, to ensure the most accurate and thorough report of the scene. Training Goals and Objectives Understanding the significance of physical evidence at a crime scene is critical, as its relevance may only become clear as an investigation progresses.

This course emphasizes the importance of:
  • Properly interpreting and mentally reconstructing the scene before any evidence is recovered, removed, or disturbed.
  • Crime Scene Management is needed for different types of major scenes.
  • Preventing alterations to the scene due to lack of training, carelessness, or oversight, ensuring that vital evidence is collected, packaged and preserved for legal proceedings.

The course follows a 40-hour format, Monday through Friday from 0800 to 1700 hours. Each day introduces key topics reinforced by hands-on practical exercises.

Course Schedule & Daily Agenda
​
Day 1: Foundations of Crime Scene Investigation
  • Instructor and student introductions
  • Course overview
  • Introduction to Crime Scene Investigation and initial scene assessment
Homework Assignment: Bring five different items to process for fingerprint analysis

Day 2: Scene Processing Techniques
  • Roles & Responsibilities in crime scene investigations
  • Crime Scene Search and Sketching
  • Latent Print Processing – Fingerprint detection and collection methods
  • Crime Scene Photography – Techniques for documenting evidence effectively
Homework Assignment: Prepare a detailed diagram of your residence.

Day 3: Evidence Handling & Scene Documentation
  • Comprehensive Documentation of the Crime Scene
  • Crime Scene Management Strategies
  • DNA, Trace, and Firearms Evidence Collection
  • Proper Evidence Collection, Packaging, and Preservation

Day 4: Specialized Investigations & Practical Application
  • Investigating Violent Crimes & Financial Crimes
  • Chain of Custody & Legal Considerations
  • Evidence Identification and Documentation
  • Mock Crime Scene – Practical Exercise

Day 5: Practical Assessments & Course Completion
  • Mock Crime Scene Investigation – Hands-on application of learned techniques
  • Mock Crime Scene Presentation – Team-based evidence documentation and review
  • Final Written Examination
Picture
Domingo Villarreal
Domingo Villarreal is a highly experienced forensic expert and law enforcement advisor with over 36 years in the field. He has served as a senior forensic and law enforcement advisor for ICITAP, providing expertise in Colombia, Central America, Nepal, Mozambique, and Sri Lanka. Since 2004, he has played a key role in ICITAP’s international mission, contributing to forensic training, investigative development, and law enforcement capacity-building.

As a native Spanish speaker, Mr. Villarreal brings essential cultural and linguistic expertise to his international forensic and law enforcement training efforts.​
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  • Home
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    • Becoming A Host Agency
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    • Hosting FAQs
  • Courses
    • Upcoming Courses
    • Course Catalog
    • Custom Designed Courses
  • INSTRUCTORS
  • Students
    • Information for Students
    • Student Registration
    • Forensic Training Policies
    • Student Testimonials
  • IAI
    • IAI Partnership
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    • Online Articles
    • About Tri-Tech Training
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    • Contact Info