Surveillance is one of the most valuable tools in any investigation-it's how professionals uncover the truth, gather evidence, and confirm what's really happening behind the scenes. But effective surveillance requires more than just watching and waiting-it takes training, patience, technology, and experience.

At National Business Investigations, Inc. (NBI), we've spent over 50 years perfecting the art of surveillance. Whether for corporate investigations, insurance fraud, or domestic cases, our proven techniques deliver accurate, court-ready evidence that stands up under scrutiny.

1. Static (Stationary) Surveillance

This technique involves maintaining a fixed position-such as an unmarked vehicle or discreet location near a target area-to observe activities over time.

🔍 When It's Used:

• Monitoring employee behavior or workplace activity
• Observing property or assets suspected of misuse
• Confirming patterns of movement

Static surveillance is all about patience and precision-knowing when to record, when to wait, and when to move.

2. Mobile Surveillance

Sometimes, an investigator must follow a subject from one location to another. This technique demands experience, focus, and teamwork.

🚗 When It's Used:

• Tracking a suspect's movements in fraud or infidelity cases
• Documenting travel patterns for insurance or legal claims
• Verifying compliance with restraining orders or court mandates

Professional investigators use multiple vehicles, radio communication, and coordinated handoffs to maintain coverage without being detected-a skill that separates seasoned professionals from amateurs.

3. Electronic and Video Surveillance

Modern investigations often use advanced cameras, GPS trackers (where legally permitted), and hidden recording devices to document activity discreetly and accurately.

🎥 Advantages:

• Captures timestamped, objective evidence
• Allows round-the-clock monitoring
• Reduces the risk of human error or missed observations

At NBI, we combine technology with human judgment to ensure footage is collected ethically and legally admissible.

4. Digital and Online Surveillance

In today's connected world, much of a subject's activity occurs online. Social media, digital communications, and public databases can provide powerful clues when used responsibly and within privacy laws.

💻 Digital Surveillance Tools May Include:

• Monitoring online behavior patterns
• Reviewing social media activity
• Cross-referencing data through open-source intelligence (OSINT)

5. Blended Techniques for Maximum Results

The most effective investigations combine multiple surveillance methods-physical observation, video monitoring, and digital research-to form a complete, verifiable picture.

This multi-layered approach increases accuracy, reduces blind spots, and ensures the final report reflects the truth, not assumptions.

Why Experience Matters

Surveillance is a skill that takes years to master. Without proper training, evidence can be missed-or worse, collected improperly and rendered useless in court.

That's why businesses, attorneys, and private clients trust NBI. We combine decades of experience with modern technology and strict ethical standards to deliver discreet, reliable, and legally compliant results every time.

See What Professional Surveillance Can Reveal

If you suspect fraud, misconduct, or deception, the right surveillance can provide the clarity you need to take confident action.

👉 Contact Us Today to speak with a licensed investigator and learn how NBI's surveillance services can help uncover the truth.

National Business Investigations, Inc. - Professional. Discreet. Trusted since 1967.