Leaving No Stone Unturned.

About Derek Tirado

Derek Tirado is the founder and owner of Reliant Investigative Group LLC (d/b/a Reliant Investigative Agency). He retired as a detective from the Gainesville Police Department after 20+ years of service (November 2020), which included Patrol Operations, Crime Prevention Unit, Special Operations Unit (burglary investigations and covert surveillance), and Criminal Investigations Division. During his tenure as a detective, he investigated hundreds of cases, ranging from organized retail criminal groups, burglaries, embezzlements, frauds, thefts, robberies, sex crimes, death investigations, and many others, with a specialization in fraud and elder exploitation investigations. While serving as a crime prevention officer, he performed dozens of security surveys for private and public spaces, and educated and equipped the public with crime prevention strategies via in-person presentations. After retiring, he entered the fraud, security, and enterprise risk space in the banking industry. He also has experience working as a contracted SIU field investigator, for insurance-related investigations.

Derek is a member of several professional organizations and has attended and continues to attend dozens of training sessions, conferences, professional networking meetings, and webinars. As such, he has a wealth of knowledge and experience investigating a myriad of cases and is skilled in crime prevention strategies and techniques, and stays informed and educated about current investigative techniques, crime trends and security strategies.

The knowledge, training, skills and experience he’s gained over his career have made him an effective, competent and knowledgeable professional investigator, process server, and crime prevention specialist. He is a tenacious investigator, is trustworthy, thorough and takes tremendous pride in his work and the excellent customer service he provides.

A Distinguished Career of Service

  • 20+ years of service with the Gainesville FL Police Department (retired)

  • Experience in Patrol Operations, Crime Prevention Unit, Special Operations Unit (burglary investigations), and Criminal Investigations Division

  • Former Fraud Analyst, Physical Security Officer, and Enterprise Risk Officer within the banking industry

  • Former SIU field investigator within the insurance industry

Recognized for Investigative Excellence

  • City of Gainesville Departmental Award - Employee of the Year

  • Gainesville Police Department Special Operations Unit –
    Investigator of the Year

  • Gainesville Police Department - Award of Excellence (three-time recipient)

  • Gainesville Police Department - Officer of the Month (two-time recipient)

  • Florida Retail Federation Officer of the Year Award - Honorable Mention

Certifications, Specialized Training & Education

  • John E. Reid Advanced Interviews &
    Interrogations

  • D. Glenn Foster School for Interviews & Interrogations

  • Linguistic Statement Analysis
    Technique (LSAT)

  • Accredited FAPPS Process Server (AFPS)

  • 3rd Judicial Circuit Certified Process Server

  • Florida CPTED Practitioner

  • Basic, Residential, and Commercial
    Crime Prevention

  • Basic and Advanced Crime Prevention
    Through Environmental Design
    (CPTED)

  • CPTED for Houses of Worship

  • Associate of Science - Criminal Justice Technology (Santa Fe College)

Associations and Memberships

  • Florida Association of Licensed Investigators (FALI)

  • Florida Design Out Crime (FLDOCA) Association

  • The U.S. CPTED Association

  • National Association of Professional Process Servers (NAPPS)

  • Florida Association of Professional Process Servers (FAPPS)