Forensic Handwriting and Signature Analysis

This chapter delves into the forensic science of handwriting and signature analysis, essential for document authentication and forgery detection. It explores the uniqueness of human writing shaped by neurological, psychological, and learned behaviors. Key forensic principles such as individuality, natural variation, and permanence are discussed, along with distinguishing features between handwriting and signatures.

The chapter reviews traditional methods and emerging technologies, including digital and AI-assisted tools. Various forgery types—simulated, traced, and digital—are analyzed through real-world case studies across legal, financial, and historical contexts. Challenges like disguised writing and subjective interpretation are also addressed, highlighting advancements enhancing reliability in forensic examinations.