Heidi Harralson is Managing Partner of Spectrum Forensic International, LLC, a handwriting document examination practice. Harralson has lectured extensively to professional organizations and universities on the handwriting sciences. She has published original research in peer-reviewed journals on forensic handwriting and document examination topics. Her publications include Forensic Handwriting Examination of Motor Disorders & Forgery and co-author of a chapter on evidential documents in Crime Scene Investigation published by Elsevier/Anderson Publishing. She is a board-certified diplomate through the Board of Forensic Document Examiners and the National Association of Document Examiners.