HILLER & ASSOCIATES INVESTIGATIONS & CONSULTING

WE PROVIDE A
WIDE RANGE OF PROFESSIONAL INVESTIGATIVE SERVICES.

Our services interact to assist individuals, businesses, and legal professionals to not only find the truth but accurately support and present it in any subsequent litigation.

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COMPREHENSIVE SERVICES BUILT ON DECADES OF EXPERIENCE

We are a locally owned and operated Florida Keys private investigator with over 40 years of experience in Monroe County, Florida. The fact that we are “locals” sets us apart by providing us with a unique knowledge of the local residents, the ins and outs of the local community and the local legal system. This experience provides us with an edge over the “out of town” service providers.

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Our Services

Our Specialized Investigative and Expert Services

Accident Investigation

We conduct detailed accident investigations to determine what happened, identify contributing factors, and document evidence to support insurance, legal, or internal reviews.

Background Investigations

We conduct comprehensive background investigations to verify identities, histories, and associations, helping you assess credibility and potential risk.

Case Development

We provide thorough case development services, gathering and organizing critical facts, evidence, and timelines to support strong, well-informed legal or investigative actions.

Document Acquisition

We obtain and authenticate critical documents through lawful means, ensuring accurate records to support investigations, claims, and legal proceedings.

Due Diligence

We offer discreet due diligence services that verify backgrounds, identify risks, and confirm key facts so you can make informed decisions with…

Forensic Digital Data Analysis

We perform forensic digital data analysis to recover, examine, and interpret electronic information in support of investigations, litigation, and risk assessment.

Service of Process

We provide reliable service of process, ensuring legal documents are delivered accurately, promptly, and in full compliance with applicable laws.

Surveillance & Counter-Surveillance

We conduct discreet surveillance and counter-surveillance to document activities, detect threats, and protect your interests while maintaining strict legal compliance.

Victim Interviews

We conduct professional victim interviews with sensitivity and discretion, obtaining accurate statements while prioritizing respect, confidentiality, and emotional care.

Witness Identification, Location and Interviews

We identify, locate, and professionally interview witnesses to obtain reliable statements that support accurate fact-finding and case resolution.

florida keys private investigator

Don Hiller

Elite Investigative & Consulting Services

The Gold Standard in High-Stakes Investigations & Litigation Support

With over 40 years of frontline law enforcement experience in the Florida Keys, Don Hiller is a retired Monroe County Sheriff’s Office veteran renowned for high-stakes investigations, elite undercover operations, and executive leadership at the local, federal, and international levels. Today, he brings that hard-won expertise to world-class consulting, investigative analysis, and expert litigation support.

Known for tenacity, precision, and courtroom authority, Don offers the gold standard in investigative strategy—an expertise forged through decades of results-driven service at the highest levels of the profession.

Don Hiller

Elite Investigative & Consulting Services

The Gold Standard in High-Stakes Investigations & Litigation Support

With over 40 years of frontline law enforcement experience in the Florida Keys, Don Hiller is a retired Monroe County Sheriff’s Office veteran renowned for high-stakes investigations, elite undercover operations, and executive leadership at the local, federal, and international levels. Today, he brings that hard-won expertise to world-class consulting, investigative analysis, and expert litigation support.

Known for tenacity, precision, and courtroom authority, Don offers the gold standard in investigative strategy—an expertise forged through decades of results-driven service at the highest levels of the profession.

Don Hiller

Elite Investigative & Consulting Services

The Gold Standard in High-Stakes Investigations & Litigation Support

With over 40 years of frontline experience in the Florida Keys, Don Hiller offers an unparalleled background in high-stakes investigations, undercover operations, and executive law enforcement leadership. A retired veteran of the Monroe County Sheriff’s Office, Don has built a global reputation for tenacity, precision, and an unwavering pursuit of justice.

Today, Don leverages his decades of specialized knowledge to provide world-class consulting, investigative insight, and expert litigation support.

A Career Defined by Results

Don’s career is defined by his ability to navigate the most complex and dangerous criminal landscapes. As a supervisor and investigator, he has managed cases at every level—from local felony offenses to international, multi-agency operations.

  • Tactical Execution: Successfully executed over 1,000 search warrants, leading to hundreds of arrests and the removal of millions of dollars in illegal assets.

     

  • Global Operations: Spent years as an elite undercover operative in narcotics and money laundering, traveling internationally to dismantle sophisticated criminal networks.

     

  • Federal Success: While supervising within the HIDTA (High Intensity Drug Trafficking Areas) federal task force, Don oversaw the seizure of $150 million in illegal drug proceeds.

     

  • Comprehensive Oversight: Expert-level experience investigating murder, sexual assault, robbery, burglary, and high-liability traffic/DUI cases.

Expert Witness & Courtroom Mastery

A critical component of Don’s professional legacy is his mastery of the legal process. Beyond the investigation, Don is a seasoned veteran of the courtroom, providing the technical expertise and authoritative presence required to secure high-stakes outcomes.

  • Expert Testimony: Recognized as an expert in complex investigative procedures, narcotics trafficking, and law enforcement leadership.

     

  • Courtroom Composure: Decades of experience testifying in local, state, and federal courts, maintaining impeccable credibility under rigorous cross-examination.

     

  • Litigation Consulting: Assisting legal teams in analyzing case files, identifying procedural gaps, and developing investigative strategies that hold up under judicial scrutiny.

Elite Credentials & Recognition

Don Hiller is not only an elite investigator but a highly decorated public servant and a graduate of the most prestigious law enforcement training in the world.

  • FBI National Academy Graduate: A distinction reserved for the top 1% of law enforcement executives globally.
  • Highly Decorated: Recipient of over 100 commendations and multiple Life-Saving Awards, reflecting a lifelong commitment to excellence and community safety.

Why Partner with Don Hiller?

When the stakes are high and the details are complex, you need a partner who has seen it all—from the street to the stand. Don Hiller brings the “Gold Standard” of investigative strategy to the private sector, offering a level of expertise that can only be forged through 40 years of elite service.

“Tenacity, precision, and an authoritative presence in the pursuit of justice.”

Why Us?

Expert Witness & Court Testimony Our Professional Commitment

01

ANALYTICAL SKILLS

We pride ourselves on unraveling complex situations and connecting information to deliver actionable results.

02

DISCRETION & CONFIDENTIALITY

Your privacy is our highest priority, and all investigations are handled with the utmost discretion.

03

ATTENTION TO DETAIL

Our rigorous analysis ensures that every critical detail relevant to your case is uncovered.

Contact us today
for a no cost, confidential consultation.

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State of Florida License #C3500491












    A Career Defined by Results

    Don’s career is defined by his ability to navigate the most complex and dangerous criminal landscapes. As a supervisor and investigator, he has managed cases at every level—from local felony offenses to international, multi-agency operations.

    Tactical Execution: Successfully executed over 1,000 search warrants, leading to hundreds of arrests and the removal of millions of dollars in illegal assets.

    Global Operations: Spent years as an elite undercover operative in narcotics and money laundering, traveling internationally to dismantle sophisticated criminal networks.

    Federal Success: While supervising within the HIDTA (High Intensity Drug Trafficking Areas) federal task force, Don oversaw the seizure of $150 million in illegal drug proceeds.

    Comprehensive Oversight: Expert-level experience investigating murder, sexual assault, robbery, burglary, and high-liability traffic/DUI cases.

    Expert Witness & Courtroom Mastery

    A critical component of Don’s professional legacy is his mastery of the legal process. Beyond the investigation, Don is a seasoned veteran of the courtroom, providing the technical expertise and authoritative presence required to secure high-stakes outcomes.

    Expert Testimony: Recognized as an expert in complex investigative procedures, narcotics trafficking, and law enforcement leadership.

    Courtroom Composure: Decades of experience testifying in local, state, and federal courts, maintaining impeccable credibility under rigorous cross-examination.

    Litigation Consulting: Assisting legal teams in analyzing case files, identifying procedural gaps, and developing investigative strategies that hold up under judicial scrutiny.

    Elite Credentials & Recognition

    Don Hiller is not only an elite investigator but a highly decorated public servant and a graduate of the most prestigious law enforcement training in the world.

    FBI National Academy Graduate: A distinction reserved for the top 1% of law enforcement executives globally.

    Highly Decorated: Recipient of over 100 commendations and multiple Life-Saving Awards, reflecting a lifelong commitment to excellence and community safety.

    Why Partner with Don Hiller?

    When the stakes are high and the details are complex, you need a partner who has seen it all—from the street to the stand. Don Hiller brings the “Gold Standard” of investigative strategy to the private sector, offering a level of expertise that can only be forged through 40 years of elite service.

    “Tenacity, precision, and an authoritative presence in the pursuit of justice.”