Florida Evidence Collection Laws: How to Stay Compliant & Protect Your Case

By: Francois McKinnon

TL;DR

In Florida, the difference between “winning evidence” and “inadmissible waste” lies in the strict adherence to Florida Statutes Chapter 90 (Evidence Code) and Chapter 934 (Security of Communications). At McKinnon Investigative Group Inc, we follow Tier-1 protocols to ensure that every piece of surveillance, digital data, or witness statement is gathered legally, maintaining a flawless Chain of Custody. Working with a licensed Fort Lauderdale private investigator ensures that your evidence holds up under the scrutiny of the 17th Judicial Circuit Court.


For attorneys and private individuals alike, the value of an investigation is measured by its admissibility. In our 30+ years of experience, we have seen countless cases compromised because an investigator overstepped legal boundaries or failed to document their process correctly.

Related Resource: How to Hire a Private Investigator in Fort Lauderdale: The Ultimate Local Guide

The Legal Foundation: Florida Evidence Code

All evidence in Florida must meet the standards of Florida Statute 90.901. McKinnon Investigative Group Inc ensures that all gathered materials—whether video, photographs, or documents—are properly authenticated so your legal team can introduce them with confidence.

Surveillance & The “Reasonable Expectation of Privacy”

Surveillance is a powerful tool, but it must be performed within the limits of Fourth Amendment principles as applied in Florida. Our team is trained to recognize the “curtilage” of a home—the private area immediately surrounding it—to avoid illegal trespassing or privacy violations that could void your evidence.

GPS Tracking Laws: Navigating Florida Statute 810.145

One of the most frequent questions we receive involves the use of GPS tracking devices. Under Florida Statute 810.145, placing a tracking device on a vehicle without the owner’s consent is generally illegal and can result in criminal charges.

McKinnon Investigative Group Inc utilizes GPS technology strictly within legal parameters. We ensure that trackers are only deployed when there is a clear legal right to do so, such as cases involving company-owned vehicles or where a client has full legal ownership, to prevent the “Fruit of the Poisonous Tree” doctrine from rendering your surveillance inadmissible.

The Critical Importance of Chain of Custody

At McKinnon Investigative Group Inc, we treat every case as if it is headed for trial. Our internal protocols include time-stamped media and encrypted storage to ensure that the “Chain of Custody” remains unbroken from the field to the courtroom.

Our 5-Phase Chain of Custody Protocol

Audio Recording: The Two-Party Consent Rule

Florida is a “Two-Party Consent” state (Florida Statute 934.03), meaning it is a felony to record a private oral communication unless all parties agree. McKinnon Investigative Group Inc prioritizes legal witness statements and high-definition silent video to ensure we never put your case at risk of a wiretapping violation.

Expert Testimony & Courtroom Support

Evidence is only half the battle; defending it is the other. McKinnon Investigative Group Inc. provides comprehensive Background Checks that serve as the foundation for successful legal strategies.. If required, our veteran investigators are prepared to provide expert testimony in the Broward County 17th Judicial Circuit Court to authenticate our findings and explain our methodology under cross-examination.

Consult with a Professional Investigator

Whether you are an attorney preparing for trial or an individual needing iron-clad proof, we provide the legal precision your case requires. For more information on starting your case correctly, see our Guide on Hiring a Private Investigator in Fort Lauderdale.

Contact McKinnon Investigative Group Inc for a confidential consultation:

Frequently Asked Questions

Is evidence gathered by a private investigator always admissible in Florida?

It is generally admissible as long as it was gathered legally without violating a “reasonable expectation of privacy”. If a PI trespasses or uses illegal recording devices, the evidence can be ruled inadmissible.

Can a Florida private investigator record audio without consent?

No. Under Florida Statute 934.03, Florida is a “two-party consent” state. It is illegal to record a private conversation unless all parties involved agree.

What is a “Chain of Custody” and why does it matter?

It is the chronological paper trail documenting who handled the evidence from collection to the courtroom. An unbroken chain is essential to prove to a judge that the evidence has not been tampered with or contaminated.

Can private investigators use GPS tracking in Florida?

Yes, but only under specific legal conditions, such as when the vehicle owner provides consent or in certain commercial contexts. Placing a tracker on a vehicle without proper authorization can violate Florida Statute 810.145.

Do private investigators have more legal power than regular citizens?

In most evidence-gathering contexts, a PI has the same legal rights as a regular citizen but brings specialized training, professional equipment, and the experience needed to gather information discreetly and legally.

Legal Disclaimer

“Disclaimer: The information provided in this guide is for educational purposes only and does not constitute legal advice. For specific legal counsel regarding evidence admissibility, please consult with a licensed Florida attorney.”.

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