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PRIVATE INVESTIGATIONS | SECURITY CONSULTING | RISK ASSESSMENT

Simpson Security and Investigative Advisory Group, LLC provides professional investigative services and physical security risk assessments.  Located in the Saint Louis, Missouri area, we specialize in working complex investigations with law firms, businesses and individual clients.   Our team of senior investigators and security experts ensure your needs will be met with the utmost professionalism and discretion.

We deliver cost effective results professionally with unparalleled integrity and discretion.  Quiet professionalism with personal service.

For inquiries, expand the “Contact Us” tab above.


Simpson Security and Investigative Advisory Group, LLC
400 Chesterfield Center, Suite 400
Chesterfield, Missouri 63017

Email:  info@SimpsonAdvisoryGroup.com

Office:  Area Code: 314  Number:  910-2804

Hours by appointment

Missouri Division of Professional Registration

Private Investigator Agency License Number 2018044936
Private Investigator License Number 2013030580


AFFILIATIONS


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Services

Investigations

Our investigation team is comprised of senior former federal law enforcement and corporate security experts with extensive experience in complex investigations, federal and state courts and corporate litigation.

  • Criminal and Civil Investigations
  • Trial and Litigation Preparation and Support
  • Arbitration Hearing Preparation and Support
  • Corporate Investigations
  • Financial Depredation Investigations
  • Workplace Violence Investigations
  • Computer and IT Forensics and Investigations
  • Background Investigations
  • Cold Case Reviews

Security

Our security team specializes in working with large and small businesses on  physical security, risk assessments, and workplace violence issues.  We have over fifty years of combined experience in security and workplace violence investigations, training, and mitigation programs.  Simpson Security and Investigative Advisory Group has the proven expertise to assist your business with workplace violence issues, to include comprehensive security risk assessments, training, and investigations.

  • Workplace Violence Prevention and Mitigation
  • Physical Security Risk Assessments
  • Security Surveys
  • Security Policy Design and Review

Training

  • Workplace Violence Prevention and Investigation for the Investigator
  • Workplace Violence Prevention and Investigation for the Supervisor
  • Workplace Violence Prevention and Investigation for the Employee
  • Incident Command Principles / Preparing for Disaster

ABOUT US

Dennis Simpson

Simpson Security and Investigative Advisory Group, LLC is owned and operated by Dennis Simpson.  After serving in the United States Marine Corps, Dennis embarked on a twenty year career as a United States Postal Inspector.  In that capacity he investigated a wide variety of federal crimes to include complex fraud, internal employee investigations, blackmail, narcotics, and violent crimes.  He supervised teams of Postal Inspectors and numerous multi-agency task force operations.  Dennis was featured on the A&E channel series Cold Case Files for his contributions leading to the arrest of serial rapist Dennis Rabbit, aka: The South Side Rapist, and had one of his cases, a multi-national cocaine distribution and money laundering investigation, showcased in an on-line exhibit at the Smithsonian National Postal Museum.

Upon retirement from the Postal Inspection Service, Dennis spent over two years in Iraq and Afghanistan as part of the Law Enforcement Professional program, where seasoned law enforcement professionals are embedded with U. S. military units to advise and mentor the commanders and use their law enforcement techniques to identify, capture, and prosecute terrorists.  In Iraq, Dennis was embedded with the Joint Special Operations Command (JSOC) in Baghdad.  He was a key member of the JSOC Warrant and Prosecution Task Force and was instrumental in bringing numerous high-level terrorists to justice.  In Afghanistan he embedded with the U. S. Army 1st Infantry Division in Paktika Province as the senior Law Enforcement Professional.  Dennis advised and mentored the military in establishing Rule of Law and terrorist prosecutions in this remote province.

Dennis received his Bachelor of Urban Affairs / Criminal Justice degree from St. Louis University and is licensed as a Private Investigator by the state of Missouri, license number 2013030580.  He is a member of ASIS International; Association of Certified Fraud Examiners (ACFE); Missouri State Investigator’s Association; and the West County Chamber of Commerce.  He is committed to bringing the utmost professionalism, dedication, discretion, and value to his clients.

 ADVISORY BOARD

Peter Sullivan

Pete Sullivan (2)Peter Sullivan is the President of Sullivan Advisors, LLC.  With more than 30 years of leadership experience in Federal Law Enforcement and Global Security Management, Sullivan has deep expertise in domestic and international security issues that include: crisis management; strategic planning and policy development; cyber security; executive protection and personnel security; workplace violence; intellectual property and brand protection; global threat and intelligence analysis; travel security; internal and external investigations and security risk assessment and mitigation.

Just prior to establishing Sullivan Advisors, Sullivan was the Director of Global Security at Monsanto Company, a Fortune 200, $16 billion Biotechnology and Agricultural Manufacturing industry leader with over 23,000 employees at 500 sites in 80 countries.  While leading the corporate security program at Monsanto, Sullivan’s responsibilities included the development and implementation of security policies, strategies and technologies that protected employees and assets globally.

Sullivan had a distinguished 25-year career in Federal Law Enforcement with the U.S. Postal Inspection Service.  He served in Ohio, Chicago and St. Louis as a Postal Inspector and Team Leader.  Sullivan also served as a training instructor on issues that included Workplace Violence Prevention, Armed Intruder Response, and mail and wire fraud investigations. He lectured at the U.S. Department of Justice National Advocacy Center and for the National Association of Attorneys General, Postal Inspection Service and numerous police, insurance fraud and crime prevention groups.

Sullivan is an Armed Security Officer (ASO) licensed by the Transportation Security Administration, and a Private Investigator licensed in the State of Missouri (#2015018446).  He has a Bachelor of Science degree in Criminal Justice from Westfield State University in Massachusetts.

Jacque James, CFE

Jacque James (2)Jacque James is President and Founder of ARA Fraud and Forensic Services, a leading Missouri-based firm that provides discreet, comprehensive, and professional fraud detection, investigation and prevention services to privately held companies, non-profit organizations, and medical practice groups.

Ms. James brings a unique set of skills. With more than 20 years in law enforcement and corporate investigations, she also has financial services and entrepreneurship experience.  Her disciplined approach is ideal for business and the fraud investigative field.

James has served multi-million dollar national retailers in senior-level management positions in the loss prevention divisions, performing employee theft investigations, conducting fraud and training awareness for management and employees, and implementing operational and inventory programs that contributed significantly to the organizations’ overall net profits.

James is an Adjunct Professor at Webster University where she teaches graduate level accounting courses.

In addition to being a Certified Fraud Examiner (CFE), James earned her Masters of Business Administration (MBA) and Masters of Accounting and Financial Management (MAFM) from Keller Graduate School of Management in St. Louis, Missouri. She received her Bachelor of Arts (BA) in Criminal Justice and Business Administration from Saint Leo College in Tampa, Florida.  She holds the following certifications:

    • Certified Fraud Examiner (Association of Certified Fraud Examiners)
    • Interviews and Interrogations (Wicklander and Zulawski; Reid Institute)
    • Advanced Interviews and Interrogations (Wicklander and Zulawski; Reid Institute)
  • Linguistics Statement Analysis Technique (LSAT)James is a member of the International Association of Interviewers (IAI), Association of Certified Fraud Examiners (ACFE), International Association of Asset Recovery (IAAR) and the Association of Certified Financial Crime Specialist (ACFCS).

News and Insights

Importance of Licensing

The State of Missouri requires all Private Investigators to be licensed. Missouri Private Investigators are governed by Missouri State Law and regulated by the the Missouri Board of Private Investigators and Examiners. One of the first questions you should ask before retaining a Private Investigator is “are you licensed?”. You can check for individual and …

Introducing New Investigators

Simpson Security and Investigative Advisory Group, LLC is proud to announce the addition of two highly experienced professional investigators. Tom Fischer and Marvin Koechig have over sixty years of combined state and federal law enforcement investigative and managerial experience between them. The addition of Mr. Fischer and Mr. Koechig adds to the wealth of professional …

Business Fraud and Embezzlements

Recent headlines from the Eastern District of Missouri, U. S. Attorney’s Office: DeSoto Woman Sentenced for Embezzling $1.6 Million from Grandview School District October 13, 2017 Kinloch Official Sentenced for Stealing Money from the Kinloch Fire Protection District October 25, 2017 Former Chief Financial Officer Sentenced for Stealing $2.8 million from Company November 6, 2017 …