Spectrum Forensic International, LLC

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Forensic Handwriting & Document Examiners in Phoenix, San Diego, Tucson, and Albuquerque

Forensic science is the application of a broad spectrum of sciences to answer questions of interest to the legal system.  Spectrum Forensic International, LLC specializes in the application of science to answer forensic document examination problems.

SFI provides forensic services to public and private entities, attorneys, and businesses.  It is the purpose of SFI to offer accurate and comprehensive handwriting examination services using current and relevant scientific procedures and instruments that represent the state of the art in forensic science. 

SFI consultants are court-qualified and board-certified forensic document examiners with over 38 years of collective experience of forensic handwriting analysis in Phoenix, San Diego, Tucson, and Albuquerque. Our consultants have testified and been court-appointed in county, state, and federal courts in the United States and internationally. Accuracy and integrity are important to SFI so case reports are independently reviewed and verified by two qualified document examiners.

SFI services include assistance with:

• Signature Forgery
• Anonymous or Threatening Letters
• Suicide Notes
• Robbery and Ransom Notes
• Handwriting Identification
• Electronic and Biometric Signatures
• Document Authentication
• Print Process Identification
• Identity Theft
• Stolen Checks
• Medical Records
• Probate Documents
• Real Estate and Title Transactions
• Alterations
• Ink and Paper Examinations
• Checkwashing
• Latent Impressions and Indentations
• Art Authentication
• Graffiti



Our consultants have been retained in cases in the following states:

Alabama | Alaska | Arizona | Arkansas | California | Colorado | Connecticut | Florida | Georgia | Illinois | Kentucky | Louisiana | Maryland | Massachusetts | Michigan | Mississippi | Missouri | Montana | Nevada | New Mexico | New York | North Carolina | Ohio | Oklahoma | Pennsylvania | South Carolina | South Dakota | Tennessee | Virginia | West Virgina | Wisconsin | Wyoming

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