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Pat Diaz is a 25-year Veteran Miami-Dade Homicide Detective…

and President of Pat Diaz Investigations. The national spotlight many times has made Pat a renowned detective. He has testified in numerous trials at both the State and Federal Courts and his experience has been well documented in the national press. Pat Diaz is an expert witness in Federal and State Courts through the United States. He earned his college degree from Florida International University in Criminal Justice and Psychology. He is an expert witness in federal-state courts throughout the United State.


- Marital infidelity produces devastating effects on families, we help you track your partner with the best strategies for your calm.


- Law Firms hire us to fight Workers Comp Fraud occurring all the time.


- We work along side attorneys finding witnesses and evidence to help your case.


- Investigators with Pat Diaz & Associates are experts when comes to reviewing Crime Scenes.

What We Offer


-: I am a professional who works for individuals, companies, law firms, mutuals or insurers, conducting investigations of facts and private behaviors, in order to obtain evidence for their client, which will be reflected in a report.

Thanks to our international network of contacts we are in the position of being able to offer you our research service also in the main cities of the United States.

We have a network of excellent private detectives in each of the designated areas and can offer, among others, the following services.

Due Diligence Management

This term has been internationalized with the globalization of the economy and is applied in the investigation of risks and contingencies that may arise from investments in the purchase of companies, purchase of assets, shareholder research or a possible new partner for the organization. . It is also applicable to customers and suppliers.

Estate Investigation

We have the resources to locate relatives anywhere in the United States. This also includes Cuba and South America.

Forensic Financial Analysis

We have at anytime needed Forensic CPA’s to handle complex financial matters.

Expert Witness & Certified Fraud Examiner

Pat has testified in numerous trials in both the state and federal courts as an expert witness. This experience has been well documented in the national press.

He had served as the Fraud Manager for the South Florida ZPIC Medicare fraud investigation.

  • Miami FBI Public Corruption Squad
  • DEA Redrum Squad
  • DEA Centac 26 Squad
  • ATF HIDTA Task Force

Consider Past Testifying Experience

  • Expert Witness Virgina Tech Campus Shooting.
  • Police shootings and Homicide cases throughout United States.
  • Expert DHS Deportation hearings.

Why Choose Us


  • Death Investigations
  • Survaillance
  • Location of people
  • Child custody
  • Civil & Criminal Fraud
  • Property Crimes
  • Infidelity

whats customers says



We Always Send


-: We have highly trained staff available who will attend you at any time you need.
  • Pat Diaz, CFE Private Investigator
  • -: 305-992-4711
  • -:
  • -: 1655 N. Commerce Parkway, Suite 102. Weston, FL 33326
  • -: Monday to Sunday: 24 Hours Available
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