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Spectrum Forensic consultants have authored or co-authored the following books and articles:


Huber & Headrick's Handwriting Identification: Facts and Fundamentals, Second Edition


by Heidi H. Harralson and Larry S. Miller
Publication Date: October 2017, CRC Press

This is a comprehensive update of Huber and Headrick's seminal work on handwriting examination. New coverage includes a review of forensic handwriting examination research, handwriting analysis training and proficiency, revised methods and procedures, an updated listing and clarification of terminology and electronic signatures, the analysis of digitized handwriting, and other related technological advances. The book includes updated photographs, several added illustrations, and advances in techniques based on the scientific research conducted in the area over the last 20 years.

Developments in Handwriting and Signature Identification in the Digital Age

by Heidi H. Harralson
Editor: Larry S. Miller

The examination of handwriting and signatures has a long and established history as a forensic discipline. With the advancement of technology in the use of digital tablets for signature capture, changes in handwriting examination are necessary. Other changes in handwriting, such as in increase in printed writing styles and the decrease in handwriting training in schools necessitates a re-examination of forensic handwriting identification problems. This text takes a fresh and modern look at handwriting examination as it pertains to forensic, legal, and criminal justice applications.

Developments in Handwriting and Signature Identification


Crime Scene Investigation, Third Edition

by Jacqueline T. Fish, Larry S. Miller, Michael C. Braswell, Edward W. Wallace, Jr.
Chapter 11: Documentary Evidence by Heidi H. Harralson and Larry S. Miller

Crime Scene Investigation offers an innovative approach to learning about crime scene investigation, taking the reader from the first response on the crime scene to documenting crime scene evidence and preparing evidence for courtroom presentation. It includes topics not normally covered in other texts, such as forensic anthropology and pathology, arson and explosives, and the electronic crime scene. Numerous photographs and illustrations complement text material, and a chapter-by-chapter fictional narrative also provides the reader with a qualitative dimension of the crime scene experience.

Crime Scene Investigation


Police Photography, Seventh Edition

by Larry S. Miller, Norman Marin

Quality photographs of evidence can communicate details about crime scenes that otherwise may go unnoticed, making skilled forensic photographers invaluable assets to modern police departments. For those seeking a current and concise guide to the skills necessary in forensic photography, Police Photography, Seventh Edition, provides both introductory and more advanced information about the techniques of police documentation. Completely updated to include information about the latest equipment and techniques recommended for high-quality digital forensic photography, this new edition thoroughly describes the techniques necessary for documenting a range of crime scenes and types of evidence, including homicides, arson, and vehicle incidents. With additional coverage of topics beyond crime scenes, such as surveillance and identification photography, Police Photography, Seventh Edition is an important resource for students and professionals alike.

Police Photography, Seventh Edition


Forensic Handwriting Examination of Motor Disorders & Forgery: Research & Applications


by Heidi H. Harralson

Forensic document examination in handwriting and signature cases can be complicated by writers with motor disorder conditions such as Parkinson's disease and essential tremor. These conditions are more prevalent among the elderly and legal issues arise in probate and elder abuse fraud cases where parkinsonian patients sign their signatures to checks, estate, title, and financial documents that are frequently contested. Because writers with motor disorders produce distorted, tremulous handwriting, distinguishing between genuine movement disorder signatures and forgeries can be problematic for handwriting experts. To address the problem, the author conducts original research using innovative digital tablet technology that allows for objective, quantifiable measurement of dynamic handwriting factors such as duration, velocity, pressure, and frequency spectrum analysis of writing tremor. The results have implications not only for handwriting experts working with ink writing and online biometric signatures, but also the elderly, motor disorder patients, legal professionals, investigators, law enforcement, and the justice system.

Forensic document examination

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