Our Advisory Board


Due to the nature of our business, the identity of some our operatives needs to remain protected. However, we’d like you to meet here key members of our team.

Gavin Burrows MIPI

Founder and Senior Partner


Having completed his training as a private investigator in 1994, Burrows became a full member of the Institute of Professional investigators in 1997.

Burrows is a tenacious, accomplished private investigator chosen by celebrities, high-net-worth individuals, captains of industry and thousands of businesses and other clients to provide first class investigative services in the U.K. and at a global level. With 30 years of experience, Burrows has proved to be second to none at navigating the most intricate cases with the utmost diligence, dedication and what is most important in this business, total confidentiality.

Career highlights that show Burrow’s versatility and professional skills (and that he can speak of) include:

  • Having prevented and identified key individuals involved in the attempted theft of DNA from HRH Prince Harry;
  • Conducting investigative due diligence, asset inquiries and surveillance on behalf of Mr. Ian Heights, Cayman Islands-based billionaire investor;
  • Overseeing the investigation of a major international sex-trafficking network; providing key evidence that facilitated successful convictions for a planned car bomb plot by the animal rights campaign group “Stop Huntington Animal Cruelty” (SHAC);
  • Locating Viktor Kozeny (the pirate of Prague) himself in 2003 and his web of financial and physical assets;
  • Advising FIFA (Federation Internationale de Football Association) in an internal publication for every FIFA member on personal and family security.


Anne-Marie Harris MIPI

Senior Consultant


Harris is fully trained in risk analysis, assessment and mitigation, submissions for Ministers, annual parliamentary reports, data analysis and Interrogation, various databases, compliance and auditing. Harris is CTC (Counter Terroism Cleared) until 2025.

She started her professional career in the Civil Service, where she stayed for 15 years, working in the Department of Constitutional Affairs and in the Ministry of Justice. Over this time, Harris gained a plethora of experience – from data analysis to complex Risk Management and Mitigation, Research & Investigation and leading and managing teams.

Her experience with lawyers, barristers and judges makes her a key member of the team, as she is second to none at liaising with the Judiciary and HMCS. Her key strengths include research and analysis, investigating anomalies and irregularities quickly and accurately in order to develop solutions and problem solving.

Harris also undertakes Pro Bono cases for qualified clients, both in the U.K. and abroad. She is fascinated by people from all backgrounds and all walks of life. As such, Harris is particularly passionate about Human Rights and feels strongly for those who are less fortunate and do not have the means to access the assistance they require.


Maggie Thorne

Former CIA agent


Due to the sensitivity of her work WITH CIA we can’t reveal any other information about her. Suffice to say though that she is our in-house expert in XXX intelligence and has contributed to the positive resolution of more than XXX cases.

Nicholas Croft LLB

In-house legal consultant.


The 30-plus years Croft practised corporate and commercial lawyer have given him an unparalleled insight and experience that now he applies to his work at Line of Inquiry. which he has been providing to a diverse range of specialized businesses and individuals.

Over his legal career, Croft has worked in a wide variety of sectors, from gaming to private equity, international legal firms and corporate finance. The combination of skills picked up along the way make him a key member of our team, bringing clarity and peace of mind to those clients who find themselves wrapped in complicated legal situations.

His involvement in cases at Line of Inquiry includes providing legal, compliance and business advice to our clients, as well as recommend the most appropriate legal representation.


A.Elaine Giles

Assistant CEO, Executive Manager


 Assistant CEO, Executive Manager, who has worked with Burrows as an investigator and case manager since 1995.


Louisa Sparks

Executive Consultant


Executive Consultant, an experienced paralegal and investigator who started her career in 2005. As a former civil service operative, Sparks brings national and international experience in criminal defense, acquisitions support and a plethora of management skills.

Mark Newman 

Executive Consultant


An Oxford graduate who focused on international business development and investment banking in the earlier part of his career. He joined Line of Inquiry in 2020 as an expert on Business Mode Analysis, Realistic Set-Up, restructuring, compliance, start-ups, operation monitoring and exit strategies (Investigative Due Diligence and forensic accounting).

Alf Morgan

Undercover Specialist.


A former member of the Territorial SAS, Morgan has had a remarkable career spanning 25 years working undercover in the U.K. and abroad for the Metropolitan Police.

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