IGI | Home

Expert fact finding, risk assessment, and advisory services for complex and high-stakes situations

Overview

Founded in 1984 by former Senate Watergate Committee counsel Terry F. Lenzner, IGI is a preeminent risk advisory and corporate investigations firm comprised of former prosecutors, forensic accountants, researchers, investigators, and analysts who come from the White House, federal law enforcement, intelligence agencies, the financial services industry, and journalism. Our team helps clients gather facts and intelligence, mitigate risk, and prevail in adversarial situations.

Services

History

For more than three decades, IGI has maintained a steadfast commitment to the truth, uncovering crucial facts that have influenced high-stakes legal battles and shaped major events- while always upholding the highest ethical standards.

With core specialties in internal investigations, regulatory and competitive intelligence, due diligence, executive background investigations, and litigation support, IGI provides its clients with unparalleled strategic counsel and technical expertise from former prosecutors and sophisticated analysts, investigators, accountants, and public relations specialists.

Leadership

Experts in complex fact-finding investigations, IGI’s team of former prosecutors, researchers, analysts, and investigators have hone their information-collection and analytical skills in a wide variety of complex legal, financial, and governance matters spanning more than 30 years.

View All

News

View All

08/24/2020

07/27/2020

The Wall Street Journal has published an obituary of Terry F. Lenzner, the founder of IGI / The Lenzner Firm, titled, “Terry Lenzner Cultivated Fearsome Reputation as Sleuth for Hire.”

05/01/2020

Terry F. Lenzner, the founder of IGI and its chief executive for more than 30 years, passed away on April 23, 2020. A legendary attorney and a pioneer in the field of private investigation, Terry maintained a fierce commitment to uncovering the truth while always upholding the highest ethical standards. Terry has bequeathed IGI with a strong legacy and sound principles that the firm will continue to build upon in the coming years.

04/29/2020

The New York Times has published a remembrance of Terry F. Lenzner, who led IGI for more than three decades: “Jim Mintz, with whom Mr. Lenzner founded the firm Investigative Group International, said in a phone interview that Mr. Lenzner had ‘pioneered a new kind of investigation.’ The field had traditionally used people from law enforcement to focus on narrow questions; Mr. Lenzner enlisted lawyers, former news reporters, forensic accountants and others.”

04/29/2020

IGI President Arun G. Rao was interviewed in You(Online) about the firm’s Reputation Defense practice, in an article titled, “Reputation Defense: Shifting the Narrative with IGI.”

03/10/2020

IGI President Arun G. Rao was quoted in The Washington Post’s coverage of a recent U.S. Court of Appeals for the Fourth Circuit decision involving the use of filter teams in an article entitled, “Investigative tool used in law firm searches at risk, federal prosecutors fear.”

01/10/2020

IGI Executive Vice President Larry Potts was profiled in the Summer 2019 issue of The Norwich Record: “The former deputy director of the FBI most recently spent 14 years as the chief compliance officer and senior vice president for Scientific Games Corp., a multibillion-dollar international gambling and lottery products and services company based in Las Vegas.

07/29/2019

IGI President Arun G. Rao was quoted in The Washington Post’s coverage of the U.S. Supreme Court’s decision in United States v. Davis, in an article entitled, “Divided Supreme Court strikes down gun law provision deemed unfair to violent criminals.”

06/24/2019

View All