Expert Witness/Litigation Support

AGR Police Practice Group, LLC

Chief Chet Epperson (Ret.)

(815) 703-7421

Chief Epperson is a law enforcement veteran with thirty-eight (38) years of active service. He served with the Rockford Police Department for 33 years and the last 9.5 years as chief. He serves as an expert witness and litigation consultant regarding matters of police/jail practices. Chief Epperson serves as a Federal District Court Appointed Monitor, working with two Police Consent Decree Monitoring Teams. Chief Epperson provides the following expertise: police/jail use of force, police officer-involved shootings, excessive use of force complaints, police complaint investigations, deadly force, internal investigations, police policy practices, police tactics, arrests, and risk management.


Appraisal & Credit Advisors, LLC

Michael Sprouse / Steve Hale

10200 Summerfield South Rd.
(855) 645-5999

Urban & Agricultural Real Estate Appraisal Review/Expert Witness Courtroom Testimony.

Our USPAP appraisal regulatory experts can provide supportable legal arguments against an improper value conclusion sought by opposing counsel. Experienced in troubled asset resolutions to include bankruptcy, restructures and compromises. Agricultural chattel valuation review services. Experienced in commercial lending including asset based, real estate, SBA 7(a), 504, FSA, USDA, complex capital market facilities, counter party risk evaluation, credit risk management, and regulatory/compliance, credit and investment portfolio analytics, and toxic asset resolution.

Carl T. Chenoweth, P.E.

Civil Engineering Consultant

1213 N. Sherman Avenue #297
(800) 644-1549

Residential / Commercial / Industrial


Over 40 years of experience as a Civil/Construction Engineer in the planning, engineering and construction quality assurance of Residential, Commercial, Industrial building site development and infrastructure repair/maintenance projects. I have extensive engineering and construction expertise in identifying and resolving defective earthwork/grading methods, storm water drainage and erosion control practices, concrete driveway and sidewalk installations; asphalt pavement and parking lot maintenance; water and sewer utility infrastructure construction.

  • Building Site Construction & Maintenance Defects
  • Asphalt/Concrete Pavement Structural Failures
  • Stormwater Drainage & Erosion Damages

Coenen, Tracy L., CPA, CFF

Sequence Inc. Forensic Accounting


Certified Public Accountant licensed in Illinois and Wisconsin. Certified in Financial Forensics.

Tracy Coenen practices exclusively in the area of forensic accounting, and has completed several hundred financial investigations and fraud examinations. She has testified in numerous depositions and trials, and specializes in the following types of engagements:

  • Divorce and Family Law
  • Damage Calculations
  • Financial Statement Fraud
  • Embezzlement and Corporate Fraud
  • Insurance Fraud
  • Tax Fraud Defense
  • White Collar Criminal Defense
  • Expert Witness Testimony

Fiona Chen Consulting Company

Fiona Chen, MPA, Ph.D., CPA, ABV, CFF, CITP, IMTA

275 Stonegate Road, Ste. M
(847) 854-4500

Fiona Chen, MPA, Ph.D., CPA, ABV, CFF, CITP, IMTA, is former IRS revenue agent and former assistant professor. She is the founder and president of Fiona Chen Consulting Company, A Tax & Forensic Accounting Firm.

In addition to financial and taxation analysis and consultation, Dr. Fiona Chen provides services in fraud detection and fraud examination, financial statement adjustment, Business Valuation, litigation support and expert witness services. Her specialties include IRS Issue Disputes, Government Finance, Shareholder Dispute, and Business Valuation. As part of the Forensic Accounting and Forensic Auditing services, Dr. Fiona Chen routinely performs background check and assets location services.