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Private Investigators
Since 1967, we attribute our Talent Achievement to five key elements:

  • A strong dedication to the professionalism of the private investigator.
  • Recognizing the need of continuing education.
  • Keep true to a balanced system of values that dictates all cases, large or small, are of equal importance.
  • Belief that the key to success in business is having satisfied clients-- Referrals comes through satisfied clients.
  • Self-discipline and active self-measures will help us achieve the highest performance of the team.


W. David Rabern, CPP, PPS, CFS, TSCM, Chief Consultant (Founder, Past President)

W. David Rabern, is a Board Certified Protection Professional (CPP), Personal Protection Specialist (PPS), Certified Fraud Specialist (CFS), and a Certified Homeland Security Specialist level three (CHS3). W. David Rabern, CPP, PPS, CFS, TSCM is our Founder and Past President.




Michael D. Rabern, President

Michael Rabern is a great example of a top-tiered private investigator turned management. At the time of his promotion to President of ICS Mr. Rabern was a licensed private investigator with over 10,000 hours of investigative experience. He takes a "hands on" approach to everything he does from serving our staff as President or handling some of the highest profile cases requested to get results-- and he does!




Randy Wahl, Executive Staff, ICS

Randy Wahl is the Executive Vice President of ICS, Inc. and Chief Operating Officer for ICS World, L.L.C. He provides operations management for both entities in order to maximize effectiveness and efficiency. Said duties include working closely with ICS Investigators and Licensees to ensure quality investigations for clients. Mr. Wahl was a practicing attorney prior to working with ICS.




Karl Kurtz, Employee Screening Program, Private Investigator

Karl Kurtz, who holds a degree in Applied Science Electronics and Computer Technology, brings 20 years of experience gained through his United States Air Force Career. While at Reese AFB, Mr. Kurtz left the fire department to become an aerospace resource management specialist. His tour of duty at Reese AFB ended when he was selected to be assigned to Tonopah Test Range, NV with the F-117A Stealth Fighter and was with this unit as it participated in the Gulf War.




Bill Lee, Private Investigator, ICS of Arizona

Bill Lee is an Arizona licensed private investigator with nearly 25 years of investigative experience. After serving 22 years on his local Arizona police force, in a variety of capacities ranging from undercover investigations to piloting helicopters, Mr. Lee retired honorably. Mr. Lee is now retired with the Scottsdale Police department and serves as a private investigator with ICS, specializing in undercover and covert operations .




Eric Virgin, Private Investigator, Computer Forensics

Eric Virgin has more than 16 years experience in the computer technology field. He has gained experience through multiple tech based companies, some of which he owned. Mr. Virgin gained experience in dealing with wireless communications, data file repair, Server and mainframe operations, network infrastructure and infrastructure security operations.




Mark Woodward, Private Investigator, ICS of California

Mark Woodward has been a Private Investigator for 8 years, with over 18,000 hours of investigative experience. Mr. Woodward is an expert in surveillance, both stationary and mobile and specializes in obtaining interior videotape where most investigators wouldn't even consider trying. Mark is also one of the CO-Owners of ICS of California, using his skills to service the state of California.




Nestor Gomez, Private Investigator, ICS of California

Nestor Gomez has over eight years of full time private investigation field work throughout the State of California. He is experienced in undercover investigations, mobile video photography, aerial video photography, use of hidden cameras and counter-surveillance tactics. Nestor is Co-Owner and operator of ICS of California




Grant Linhart, Private Investigator, ICS of Colorado

Grant Linhart is the owner and operator of ICS of Colorado and has been in public safety full time for the past 14 years; encompassing Law Enforcement, Fire, and EMS careers.  Through his academic career, Mr. Linhart has graduated from San Diego Miramar College, Rocky Mt. Fire Academy, Riverside Sheriff’s Academy, and completed retired Secret Service Agent Joe La Sorsa's Executive Protection Training program.




Scott Hamilton, Private Investigator, ICS of Florida

Scott Hamilton is the owner and operator of ICS of Florida. Mr. Hamilton is a licensed Florida private investigator (license no. C1100376) with 14 years experience as a Deputy with the Hillsborough County Sheriff’s Office. During his time at the Sheriff’s Office, Mr. Hamilton served in a variety of investigative positions, including the Latent Investigation Unit, the Port Unit (Homeland Security), and was assigned to the FBI “Innocent Images” Task Force. Mr. Hamilton is the recipient of 44 commendations and has been selected as Detective of the Month within the Hillsborough County Sheriff’s Office.




Ben Lopez, Private Investigator, ICS of Illinois

Ben Lopez is the owner of ICS of Illinois. Mr. Lopez is an Illinois licensed private detective with over 15 years experience in the private sector. In addition, he has served as a Deputy for the Cook County Sheriff’s Department and as an investigator for the City of Chicago, where he worked on commercial investigations, vice investigations, and participated in numerous city and state task forces.




Eva Lopez, Private Investigator, ICS of Illinois

Eva Lopez is the Operations Manager for ICS of Illinois, as well as a licensed private investigator




Leon Mare, Private Investigator, ICS of Nevada

Leon Mare, owner and operator of ICS of Nevada, is a private investigator and computer data and forensics expert. Mr. Mare holds the following accreditations MCSE, MCP, MCP+I, WLANFE, WLANSE, MCSA, NT-CIP, MCSE+I, NT4 & 2000, Exchange 5.5 & 2000.




Brian Sweet, Private Investigator, ICS of Pennsylvania

Brian Sweet obtained an Associates Degree in Police Science at Montgomery County College followed by a Bachelor’s Degree in Criminal Justice at Shippensburg University. During his twenty years of service Mr. Sweet was an integral part of the success of this highly respected Philadelphia based investigative firm.




J. Pineiro, Private Investigator, ICS of Missouri

Mr. Pineiro, owner and operator of ICS of Missouri, is a licensed private investigator in Missouri, Iowa, and Kansas, and is PERC certified in Illinois. Mr. Pineiro is fluent in English and Spanish.




Lyndon Lueders, Private Investigator, ICS of Texas

Lyndon Lueders is an honorably retired Austin Police Officer. He has extensive experience conducting undercover surveillance, including prostitution, narcotics and sting investigations. In addition, Lyndon has experience supervising confidential informants, locating suspects, serving felony warrants, and testifying in local, state, and federal court. Lyndon owns and operates ICS of Texas servicing the entire state of Texas




Belinda Donofrio, Case Manager, ICS of Texas

Belinda Donofrio is a licensed Texas private investigator and case analyst at ICS of Texas. In addition to her career as a private investigator, Mrs. Donofrio also served 15 years in the United States Army.




Nelson Mateo, Private Investigator, ICS of Virginia

Nelson Mateo is the owner and operator of ICS of Virginia. Nelson serves the entire state of Virginia.




Jessica Alicea, Case Analyst, ICS of Virginia

Jessica Alicea is a Case Analyst for ICS of Virginia.




Andreas Mueller, Dog Handler, Trainer (Contractor/Vendor)

Internationally recognized as Schutzhund trainer, competitor and instructor, I am now available to share my knowledge with you.




Michael Antonoff, Private Investigator, ICS of Ohio

Michael Antonoff has seen it all. From providing security for celebrities, like Stevie Nix, to getting people wrongly convicted off of death row, there is no situation that he can’t handle. Antonoff has achieved this all despite a humble upbringing on a small country farm outside of Youngstown, Ohio.




Nicole Edson, ESP Director

Nicole Edson is an experienced background investigator and employment researcher who will be conducting the ICS Employment Screening Program.




Ralph Hume, Case Analyst

Ralph is a Case Analyst with over 20 years of investigation experience




ICS or International Counterintelligence Services refers to one or more of the associations, companies, or affiliates operating under the ICS or International Counterintelligence Services trade name. Each ICS company is independently owned and operated. Each ICS company is individually responsible for providing client services and for any errors and omissions therefrom.

ICSWorld.com is owned and operated by ICS World, L.L.C. Copyright © 2010 - ICS World, L.L.C. “ICS” and “International Counterintelligence Services” are trademarks of ICS, World, L.L.C. No original content or images may be reproduced by any means without the express written consent of ICS World, L.L.C. (Technology BETA 3.00.00). Site is subject to the TERMS OF USE.

Better Business Bureau Nine Lives Association, Personal Protection Specialist Licensed Private Investigators National Council of Investigative and Security Specialists National Association of Investigative Specialists International Association of Chiefs of Police World Association of Detectives Association of Certified Fraud Specialists American College of Forensic Examiners International ICS is proud to be the only private investigators recognized and recommended by Dun and Bradstreet
ICS was founded by W. David Rabern, Board Certified CPP, PPS, CFS, CHS3 and member of WAD, IACP, NLA, ASIS, ACFS, ACFEI, NAIS, AMA, NCISS and AALPI
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