Have you been a victim of forgery?

Do you think your signature has been forged?

Dianne Peterson

Call Today: 1-888-763-8881

Certified Forensic Document Examiner

Dianne Peterson is the owner and president of Forensic Document Investigations (FDI). Ms. Peterson is an independent, privately trained, Court Qualified & Certified Forensic Document Examiner, CFDE and Forensic Handwriting Expert. She has been examining questioned document cases since 2009. As a handwriting specialist, Dianne has rendered over 600 opinions on questioned document cases both nationally and internationally. Ms. Peterson and her staff will be sure to handle your case with the utmost quality and integrity within the industry.

Clients that have previously engaged the services of Forensic Document Investigations, speak very highly of the professionalism that was shown to them and their questioned signature case. Questioned handwriting cases are turned around in a very timely manner, once all documentation has been rendered for an examination.

At FDI, we look forward to serving you and rendering nothing more than the truth in all of our questioned document cases. An expert opinion report can often facilitate a quicker resolve in most all legal cases.

Do not delay in hiring Ms. Peterson as your handwriting expert for your questioned document case. A verbal/written opinion report from FDI can often make a difference in settling your case.

Certified Forensic Document Examiner

“Forensic Document Examination is an established field of scientific study, as a means of identifying forgery and establishing the authenticity of documents in dispute.”
– Scientific Association of Forensic Document Examiners

Call Us Today If You Need Help With:

  • Last Will and Testament Questioned Signature
  • Signature Forgery Victimization
  • Disputed Contracts Suspect Documents
  • Altered or Deletions to Documents
  • Handwriting Analysis
  • Forged and Altered Checks
  • Identity Theft
  • Expert Witness
  • Real Estate Transfer
  • Land Deeds
  • Power of Attorney
  • Life Insurance Beneficiary Change
  • Signature Verification
  • Handwriting Identification
  • Threatening Letters
  • Anonymous Letters
  • Graffiti
  • Defamation of Character Letters
  • Accounting Ledgers
  • Medical/Dental Entries
  • Fraud
  • Forgery Conviction

Do not delay in hiring Ms. Peterson as your handwriting expert for your questioned document case. A verbal/written opinion report from FDI can often make a difference in settling your case.

Forensic Document Investigations

Clients that have previously engaged the services of Forensic Document Investigations, speak very highly of the professionalism that was shown to them and their questioned signature case. Questioned handwriting cases are turned around in a very timely manner, once all documentation has been rendered for an examination.

Color photocopy image 40x magnification (red, blue, yellow ink spray)

Fluorescent security fibers under the UV light

Glistening black ink-original document

Dianne can provide a quick and candid strategy that can bring resolve. Choosing the right document examiner is as important
as choosing the right attorney. Dianne can make a difference.

Gladly Supporting the Entire United States, Canada and Extended Territories.

Previous cases have included: California, New York, Kansas, Missouri, North Carolina, South Carolina, Florida, Kentucky, Alabama, Arkansas, Louisiana, Virginia and Georgia.

Contact Dianne Peterson

[email protected]

Toll-Free:  1-888-763-8881
Tennessee: (615) 346-9198
Georgia: (678) 935-1881
Florida: (407) 362-7948
Other: (931) 284-4139


Forensic Document Investigations, Legal Document Help, Cookeville, TN