​Instructor:
Domingo Villarreal
Course length: 40 hours

This course provides crime scene technicians, detectives, and police officers with the necessary knowledge and skills for interpreting and reconstructing events at a crime scene. Participants will learn best practices for crime scene investigation, management, and documentation to ensure a thorough and accurate report of the scene. Additionally, the course emphasizes the proper collection, preservation, and packaging of evidence to maintain its integrity for legal proceedings.

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:
  • Properly interpreting and mentally reconstructing the scene before any evidence is recovered, removed, or disturbed.
  • Effective crime scene management tailored to different types of major crime scenes.
  • Preventing scene contamination or alteration due to lack of training, carelessness, or oversight.
  • Ensuring proper evidence collection, packaging, and preservation for legal proceedings.

The course follows a 40-hour format, Monday through Friday from 0800 to 1700 hours. Classroom instruction, hands-on exercises, and practical assessments

Course Schedule & Daily Agenda

Day 1: Foundations of Major Crime Scene Investigation
  • Instructor and student introductions
  • Course overview
  • Investigating Major Crime Scenes – Key principles and challenges
  • Crime Scene Management – Securing, assessing, and documenting the scene

Day 2: Crime Investigation Techniques
  • violent Major Crimes - Homicide, sexual assault, aggravated assault, and other serious offenses
  • Death Investigation - Identifying cause and manner of death, working with forensic pathologists

​Day 3: Evidence Handling & Scene Documentation
  • Roles & Responsibilities - Coordination among investigators, forensic teams, and first responders
  • Comprehensive Documentation of the Crime Scene – Photography and diagramming
  • Evidence Collection, Packaging, and Preservation – Maintaining chain of custody
  • Impression Evidence – Footwear, toolmarks, casting techniques

Day 4: Specialized Investigations & Practical Application
  • Interpretation and Reconstruction of the scene – Establishing event sequencing
  • Bloodstain Pattern Analysis – Understanding spatter, transfer, and passive stains
  • Chain of Custody and Report Writing – Case preparation
  • 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
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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