The success of any investigation largely depends on the quality of the information collected. This module will teach you how to identify, obtain, and analyze information sources, from testimonies to material evidence. You will learn to evaluate the reliability of sources and distinguish between valuable information and contaminated or irrelevant data.

Through a strategic approach, you will become familiar with tracking and surveillance techniques, essential for uncovering the truth in situations where information is hidden or manipulated. This module is fundamental for developing a sharp discernment that will enable you to operate effectively in any investigative environment.

Conceptual basis

• INFORMATION TO BE RECEIVED. 
• INVESTIGATION DATA 
• CIVIL DATA    
• COMMERCIAL DATA    
• INDUSTRIAL DATA    
• CRIMINAL DATA 
• TYPES OF INFORMATION SOURCES

1. 1. THE PERSON TO BE INVESTIGATED.
   2. THINGS
   3. PEOPLE
   4. ANALYSIS AS A SOURCE
   5. THE CLIENT

• IDENTIFYING THE SOURCE OF INFORMATION 
• CLOSE RECOGNITION  
• DISTANT RECOGNITION
• QUALITY OF INFORMATION  
• FRESH INFORMATION  
• IMPURE OR GARBAGE INFORMATION
• CONTAMINATED OR DETERIORATED INFORMATION   
• CLEAN OR CONVINCING INFORMATION  
• INFORMATION ACQUISITION LOCATION 
• THE UNDERWORLD SOURCE  
• THE UPPER WORLD SOURCE  
• INFORMATION SOURCE TRACKING 

1. 1. MAXIMUM TOLERANCE LEVEL
   2. WISE SPY

• SURVEILLANCE AND SPYING PROGRAM  

1. 1. SURVEILLANCE OF PERSONS OR INVESTIGATION OBJECTS
   2. SURVEILLANCE OF THE SUBJECT’S INFLUENCE IN THE INVESTIGATION.
   3. SURVEILLANCE OF THE SUBJECT’S EFFECTS IN THE EVENT AREA.

• PSD’S METHOD FOR SURVEILLANCE
  • 1.- WHAT TYPE OF INVESTIGATION TO CONDUCT? 
  • 2.- HOW WILL THE WORK BE CONDUCTED?   
  • 3.- WITH WHAT AND HOW WILL THE WORK BE DONE?
  • 4.- WHERE WILL THE WORK BE CONDUCTED? 
  • 5.- HOW TO COLLECT INFORMATION?  
  • 6.- HOW TO OBTAIN INFORMATION?   
  • 7.- WRITING THE INFORMATION 
  • 8.- DELIVERING THE INFORMATION   
  • HIDDEN INFORMATION SOURCES  

Topics for review in the Detective Course

• {TEXT} WHO IS THE PERSON REQUESTING THE INVESTIGATION?
• {TEXT} HUMAN BEINGS WITH FAILURES
• INVESTIGATION DATA
• {EXERCISE} DATA QUERY BASE FOR CIVIL CASES
• {EXERCISE} DATA QUERY BASE FOR BUSINESS CASES
• {EXERCISE} DATA QUERY BASE FOR INDUSTRIAL CASES
• {EXERCISE} DATA QUERY BASE FOR CRIMINAL CASES
• {EXERCISE} QUALITY OF INFORMATION
• {QUICK TEST}  QUALITY OF INFORMATION
• {ROUTINE} CULTIVATING TOLERANCE
• {ROUTINE} TRAINING OF THE GAZE AND ASSISTANCE
• {ROUTINE} HOW TO IMPROVE YOUR SENSES
• {TEXT} LOOKING TACTICS
• {TEXT} THE SURVEILLANCE PLAN
• {TEXT} MÉTODOS PARA EL ESPIONAJE
• {QUICK TEST} PSD’S METHOD FOR SURVEILLANCE