Investigation & Forensic Science Experts
Located in: 

Phoenix, Arizona
Tucson, Arizona 

Available 24/7

(602) 999-9578

(602) 240.9804
(800) 856.9793

4700 E Thomas Road, Suite 205
Phoenix, Arizona 85014

Providing Investigations, Polygraph, Counterintelligence & Forensic Science since 1973.



For more than forty years, Premier Investigation Group has been providing professional services in investigations, forensic science, forensic computer recovery, financial fraud investigations, forensic accounting, litigation support, polygraph, electronic eavesdropping detection / wiretap detection, counterintelligence, voice analysis, custom video surveillance systems, and training seminars around the world.

We provide the most advanced techniques nationally, for the investigation of criminal, civil, domestic, and child custody cases.  Our staff consists of in-house professional investigators, forensic scientists, behavioral scientists, and polygraph examiners.  Compare our training, experience, education and price, and you will see we are the best choice.

We have provided our services to fortune 100 and 500 corporations, medium and small businesses, members of the United States Congress, United States Senate, and to presidential candidates. We have also provided services to financial institutions, electronics manufacturers, the aerospace industry, transportation companies, the food, beverage and hotel industry, law enforcement agencies, department of defense contractors, as well as state, federal and local governments.       

Premier Investigation Group is a multifaceted, interdisciplinary organization, that provides state of the art services, with highly qualified personnel.  We are one of the largest organizations in the United States that can perform delicate and confidential investigations as well as related investigative services. 

Our laboratory can analyze hair, fibers, glass, soil, paint, dye, ink and most forms of physical evidence. We can provide document examination utilizing infrared and ultraviolet radiation, chromatography, laser and various forensic photographic techniques.

Premier Investigation Group is dedicated to provide excellence in customer satisfaction. We provide a written guarantee that ensures complete and absolute confidentiality. Our investigations have resulted in the arrest and conviction of employees and others for crimes such as industrial espionage, sabotage, arson, fraud, theft, homicide, embezzlement, and a host of other felonious acts.

Primary Phone: (602) 999-9578

(602) 240-9804

(800) 856.9793

Email: premierinvestigationgroup@gmail.com



  • Eavesdropping Detection
  • Encryption
  • Video Surveillance Systems


Forensic Science
  • Questioned Documents
  • Autopsy
  • Trace Evidence


Computer Forensics

Computer Forensics
  • Image Hard Drives
  • Retrieve Deleted Files, Emails, Photos
  • Cell Phone Analysis


Polygraph Chart

  • Civil
  • Criminal
  • Forensic Interview
  • Voice Stress Analysis

Forensic Autopsy

  • Civil
  • Criminal
  • Drug Testing



Forensic Accounting
  • Analysis of Documents
  • Auditing
  • Valuation



Jack M. Fritz, Ph.D.
  • Former US Counter-intelligence Special Agent
  • Former Member of the Special Operations Group
  • Chicago Police Department
Copyright 2017 by Premier Investigation Group
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