Global Investigative Group

Global Investigative Group Nationally recognized licensed and insured private investigation and security consulting firm. We are augmented by a worldwide network of contacts.

Global Investigative Group, is a licensed and insured private investigation and security consulting firm providing professional services to attorneys, insurance industry, government agencies, property managers, businesses and private clients worldwide. We offer comprehensive solutions in the following areas:

• General Investigations;
• Insurance Claims / Fraud;
• Legal Investigations (Criminal D

efense and Personal Injury);
• Police Practices Review;
• Human Trafficking Investigations;
• Due Diligence;
• Background Checks – Tenant Screening, Employees, Housekeepers, etc.;
• ID Theft - Detection, Investigation and Prevention;
• CCTV, (Nanny Cams); and
• Physical Security Specialists. Global Investigative Group's president and principal investigator is Walter Zalisko, a retired Chief of Police, decorated police detective, and corporate security director, who has over 45 years of experience delivering results and value to clients. Our team is comprised of investigative specialists with experience in complex and high-end investigations. We provide expert consultation to mitigate potential criminal and physical security/safety threats to businesses and corporate entities. Visit us at www.globalinvestigativegroup.com

Florida License-A1100267

Beware of this shady agency. They advertise that they're located in every city, in the country and internationally as we...
02/08/2026

Beware of this shady agency. They advertise that they're located in every city, in the country and internationally as well, but yet they work out of a home office in Arizona.

Private investigation services from PRIVIN. We provide reliable solutions tailored to your specific needs for a successful investigation.

Just think of his HUGE fee.
12/11/2025

Just think of his HUGE fee.

Civil rights attorney Ben Crump has scored another major legal victory, securing a staggering $779 million verdict in a wrongful death case for grieving wi

10/18/2024

Well, one of the law firms we work for recieved another 800k settlement based on our fatal accident investigation and data from the defendent vehicle's EDR.

Any investigators working on car accidents should make it a habit of using data from an EDR to help their cases.

Another OSINT training session with fellow FALI investigators in Tampa.
09/18/2024

Another OSINT training session with fellow FALI investigators in Tampa.

In the news. More arrests are possible. Stop Human Trafficking.
08/07/2024

In the news. More arrests are possible. Stop Human Trafficking.

The Collier County Sheriff's Office arrested 11 people following a massage parlor bust that violated Florida law.

Talk about someone who should never have been a law enforcement officer. Shameful.
07/27/2024

Talk about someone who should never have been a law enforcement officer. Shameful.

Some Republicans are shaking up party politics in Manatee County. A shuffle began when April Culbreath joined the competition for the District 3 seat on

In the news.
07/17/2024

In the news.

The scene cleared hours ago, but neighbors are still on edge after what happened. A man by the name of Brandon Christmas is dead after a shooting at Farmworkers Village.

Annual FALI Investigators conference in Tampa.  The largest attendance I have seen in years.
05/03/2024

Annual FALI Investigators conference in Tampa. The largest attendance I have seen in years.

Another Florida Association of Licensed Investigators (FALI) informative training seminar, hosted by TLO/Trans Union.
02/29/2024

Another Florida Association of Licensed Investigators (FALI) informative training seminar, hosted by TLO/Trans Union.

Once again, irresponsible gun owners injure someone.
12/28/2023

Once again, irresponsible gun owners injure someone.

According to Collier County deputies, the child was shot in the leg and taken to the hospital with injuries that were not life-threatening.

Vehicle owners take notice of what is stored on your vehicle's on board computer. https://libertyonenews.com/court-rules...
12/28/2023

Vehicle owners take notice of what is stored on your vehicle's on board computer.

https://libertyonenews.com/court-rules-law-enforcement-can-retrieve-text-messages-stored-by-your-car-anytime/?utm_source=L1 Newsletter 1&utm_medium=email&utm_content=subscriber_id:68117583&utm_campaign=Court Rules Spying On You Inside Your Own Car Is Now Legal (Duplicate #1

Your car may be smarter than you realize, as the U.S. Court of Appeals for the 9th Circuit recently ruled that it is not a violation of privacy for a car to store text and call data from your cell …

Address

2655 N. Airport Road, POB 60753
Fort Myers, FL
33906

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 9am - 11pm
Sunday 9am - 11pm

Telephone

+18554447448

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Our Story

Global Investigative Group, is a licensed and insured private investigation and security consulting firm providing professional services to attorneys, insurance industry, government agencies, property managers, businesses and private clients worldwide. We focus on the needs of attorneys in the practices of criminal defense, personal injury and other civil litigation actions. We also specialize in tenant screening and employee background investigations. We are your exclusive resource to experienced and board certified investigative professionals. We are a Florida Justice Administrative Commission (JAC) approved vendor. We offer comprehensive solutions in the following areas: • General Investigations - Corporate & Private Clients; • Insurance Claims / Fraud; • Legal Investigations (Criminal Defense, Personal Injury); • Tenant Screening Specialists; • Cold Case Investigations; • Police Practices Review; • Public Corruption Investigations; • Human Trafficking Investigations; • International Investigations - Due Diligence; • Background Checks – Employees, Housekeepers, etc.; • Executive Protection - Armed Bodyguards; • Technical Surveillance Counter Measures (electronic bug detection); • Fraud (ID Theft) Detection, Investigation and Prevention; • CCTV, (Nanny Cams) and; • Physical Security Specialists (gated communities, churches, corporate and residential). Global Investigative Group is led by Walter Zalisko, a retired Chief of Police, decorated police detective, and corporate security director, who has over 40 years of experience delivering results and value to clients. Walter supervised investigations involving felony crimes in a high crime urban New Jersey/New York City area. As a Director of Security and Investigations for a New York City Fortune 400 company he managed security and specialized investigations involving theft, fraud, due diligence, federal compliance, drug testing, and background investigations. In the private sector, Walter has directed an array of investigations and incident response assignments, including criminal defense and personal injury investigations, insurance fraud, domestic investigations, allegations of fraud, theft of trade secrets, insider misconduct, data breach and physical threats. Walter served as a lead advisor for US Department of State overseas police training programs where he taught investigative techniques and continues to consult to police agencies nationwide. He has been instrumental in solving high-profile cases and is frequently mentioned by criminologist Dr. Henry Lee for his investigative acumen. In 1993, Walter was appointed by the Governor of New Jersey to serve on various state commissions, and as Co-Chairman on the Governor's Transition Task Force. As an investigative specialist and police operations consultant he is frequently called upon by TV, radio and print media outlets to provide expert commentary. Walter has authored several articles in trade publications and has spoken at conferences and meetings. Walter has been recognized for his service by the New Jersey Senate, State Prosecutors, FBI and other investigative organizations. Walter is a Florida Board Certified Investigator and currently serves on the Executive Board of Directors for the Florida Association of Licensed Investigators (FALI) and is a member of other professional associations. Our team is comprised of investigative specialists, who are retired FBI, state and local law enforcement personnel, with extensive experience in complex and high-end investigations. We are augmented by a worldwide network of contacts. We provide expert consultation to mitigate potential criminal and physical security/safety threats to businesses and corporate entities. Visit us at www.globalinvestigativegroup.com Investigators speak Ukrainian, Russian, Spanish, and Portuguese. Florida License-A1100267