Leading Forensic Handwriting Analysts in Illinois

Handwriting Experts

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Professional Handwriting Analysis Services in the Chicago Area

Situated in the western suburbs of Chicago, Illinois Forensic Handwriting Experts is your go-to source for exceptional forensic handwriting and questioned document services across the Midwest, nationally, and internationally.

Boasting experts and examiners, we specialize in addressing inquiries regarding suspected fraud, forgery, signature verification, graffiti, and threatening notes with precision and responsibility.

Our team is committed to upholding the highest standards in questioned document analysis, offering reliable expertise in identifying or disproving authorship. Contact us to get started now.



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Handwriting Analysis That Helps a Variety of Clients

Forensic handwriting analysis plays a pivotal role in determining authorship and excluding suspects by addressing the question of who did not write a document. Illinois Forensic Handwriting Experts specializes in questioned document cases involving suspected fraud, forgery, signature verifications, graffiti, or threatening notes. Whether it's a signature, note, letter, contract, or any other form of questioned document, our professional services offer expertise in disputed handwriting cases. Based in the western suburbs of Chicago, we provide nationwide and international handwriting examiner services, delivering precise and reliable results. We have experience working with the following clients:

  • Attorneys and Legal Staff
  • Business Owners and Contractors
  • Insurance Professionals
  • School Administrators
  • Individuals



  • Human Resources Managers
  • Hospital Executives
  • Property Managers
  • Police Detectives
  • Security Professionals


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Professional Affiliations

We would love to answer any questions you may have about our handwriting analysis services.

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National Association of Document Examiners
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Court-Qualified Experts You Can Depend On

Illinois Forensic Handwriting Experts, located in the far western suburbs of Illinois, is a forensic handwriting analysis firm widely recognized in legal circles. As court-qualified experts in forensic handwriting, we have provided testimony in various legal contexts, including civil, juvenile, and criminal courts.

Our dedication to providing precise and insightful assessments frequently results in out-of-court resolutions based on our expert opinions. With our extensive experience as expert witnesses, we specialize in conveying compelling evidence in a manner that is clear and easily understood. Our training, which includes coursework in criminology, ethics, financial transactions, fraudulent schemes, legal elements of fraud, and fraud investigations, is aligned with the standards upheld by the Association of Fraud Examiners. Rely on us for authoritative forensic handwriting analysis that meets the demanding standards of courtroom scrutiny.


630-631-1987

Our Services

Forensic Handwriting Examination

We can quickly and accurately examine signatures, journals, medical records, and more.

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Fraud Determination

We provide expert handwriting examination in cases of potential fraud or forgery.

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Graphoanalysis

Get  insightful examinations of handwriting to reveal personality traits and behaviors for personal or professional purposes.

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Expert Handwriting Examination Services at Illinois Forensic Handwriting Experts

At Illinois Forensic Handwriting Experts, we are the trusted authority on comprehensive handwriting examination services. Our specialization encompasses a wide array of critical documents, including checks, wills, deeds, suspected forgeries, altered documents, graffiti, anonymous notes, contracts, suicide notes, and threat notes. Clients frequently turn to us with questions about the authenticity of signatures, potential forgery, alterations in documents, identification of anonymous note authors, verification of autographs, and the authenticity of historical documents. Whether it's confirming the legitimacy of a signature or unraveling the intricacies of altered documents, our team of experts excels at providing precise and reliable answers. Choose Illinois Forensic Handwriting Experts for unparalleled expertise in the nuanced realm of handwriting examination.

630-631-1987

Our Professional Affiliations

Illinois Forensic Handwriting Experts stands out as a distinguished authority in the field, holding professional certifications and affiliations that underscore our commitment to excellence. Our team of certified handwriting experts brings extensive expertise and adherence to industry standards, ensuring the highest level of precision and reliability in our forensic handwriting analyses. Trust our certified professionals to deliver authoritative results that stand up to scrutiny in legal and investigative contexts.

Some of our affiliations include:

The Association
 of Certified Fraud Examiners

The National Association of Document Examiners

The Scientific Association of Forensic Examiners
The International
 Association of Document Examiners

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Warren Spencer Forensic Handwriting Expert

Warren Spencer

Forensic Handwriting Expert

Warren Spencer from Illinois Forensic Handwriting Experts holds a Bachelor of Science degree from Iowa State University in Ames, Iowa. Recognized by courts in various capacities, he serves as a forensic handwriting expert in civil, juvenile, and criminal cases. His expertise in forensic document and fraud examination is further enhanced by his training in questioned document analysis, which includes a comprehensive tutorial with Andrew Bradley, who brings thirty years of experience from the Denver Police Department and Arapaho County Sheriff's Office. Additionally, he is recognized by the Association of Fraud Examiners.

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How to Choose a Handwriting Expert

In the realm of court cases, the stakes are high, and the outcomes hold significant gravity. This profession demands expertise, and amateurish approaches to handwriting analysis are unsuitable. It becomes imperative to thoroughly investigate the experience and credentials of a forensic document examiner, with particular attention to their court testimony history. Given that many cases settle outside the courtroom, accumulating a substantial number of expert witness court testimonies requires years of dedicated experience. Beware of exaggerated claims, as professionals who label themselves as the "Nation's Best" or "World's Top" may carry the same tendencies into the courtroom. In this field, adherence to facts is paramount. A forensic document examiner or handwriting expert with only a few years of experience is unlikely to have extensive exposure to expert witness roles across various court types. Early inquiries in these areas are essential to prevent potential challenges to the credibility of your chosen handwriting expert witness.

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Linda Spencer MS Certified Graphoanalyst

Linda Spencer, MS

Qualified Graphoanalyst

Linda Spencer is a skilled graphoanalyst with a Master of Science degree in Human Services Administration. Her expertise is further enhanced by her studies under Dr. John Olsson, a renowned expert in forensic linguistics and author. She has received a certificate of excellence in statement analysis and forensic linguistics, showcasing her proficiency in the field.


Linda is the author of several published articles, including:



  • Does Cursive Handwriting Need to be Taught in a High Tech World? 
  • The Write Hire or How Handwriting Analysis May Have Stopped Bernie Madoff in his Tracks.



Linda uses her training as a graphoanalyst as a tool to help employers, counselors, partnerships, and individuals efficiently and effectively reach their goals.


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Frequently Asked Questions

We would love to answer any questions you may have about our handwriting analysis services.

  • How much handwriting do you need to do a forensic document examination?

    As many samples as reasonably possible, and preferably, the handwriting will be close to the same time period.  It is important to note that printing is compared to writing, and cursive writing is compared to cursive. It is also helpful to the questioned document expert for  the writing to contain as  many of the same words as in the questioned handwriting sample. Original handwriting samples are best to work with, but they may be lost or inaccessible. Although this is ideal, it is not always possible to meet these criteria, so we often work with the best-quality copies possible.

  • Is it important to know the date of the handwriting?

    Whenever possible, the handwriting being questioned should be accompanied by handwriting exemplars (known handwriting) close to the same time period.  Within a few years is best.  A signature written 20 years ago should be accompanied by known signatures from that same time period. Illness, injuries, aging, and medications can sometimes alter a person's signature.  These circumstances need to be revealed to the handwriting examiner.  Another reason dates are important is because now and then a signature is purported to have been written at a time when the person is known to have been deceased or in a coma. 

  • What are some examples of cases where a handwriting expert is retained?

    Some examples of handwriting analysis case scenarios that clients have brought to us over the years are:


    • Someone is claiming that you wrote something that you know you did not write.
    • A malicious note has been written on a bathroom wall, and you have samples of the handwriting of several suspects and want to know if any of these suspects wrote it.
    • The client is not certain if they wrote their signature on a check.
    • The individual authorized to sign a legal document is suspected of having asked someone else to sign their signature.
  • Why is Illinois Forensic Handwriting Experts so popular?

    Illinois Forensic Handwriting Experts has gained widespread popularity due to our unwavering commitment to excellence in the field of handwriting analysis. As a handwriting expert and questioned document examiner, Warren Spencer, CFDE/CFE, leads our team with extensive training and a wealth of experience dating back to 1989.


    At Illinois Forensic Handwriting Experts, we take great pride in our commitment to maintaining the highest standards in forensic document examination. Our dedication is demonstrated through our extensive knowledge and experience, which aligns with the principles upheld by notable organizations. This alignment showcases our commitment to excellence in our field.


    Our expertise extends beyond the borders of Illinois, reaching clients in surrounding states such as Iowa, Wisconsin, Michigan, and Indiana, as well as serving clients nationwide and internationally. The widespread recognition of Illinois Forensic Handwriting Experts stems from our comprehensive range of services, covering handwriting analysis in cases involving disputed signatures, suspected fraud, forgery, and signature verifications.


    If you need handwriting experts, contact us today.

  • How can I contact you?

    You can contact us by phone at 630-639-1987 or by email at warren_spencer@yahoo.com. You can also fill out the contact form on this website, and one of our staff members will get back to you promptly.

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