Meet Our Document Examination Experts

Joseph Merydith

Joseph Merydith has over 27 years of experience as a government and private examiner. Mr. Merydith has examined over 1500 cases in his career, to include many high-profile cases such as the Zodiac, Williams’ brothers, and Anna Nicole Smith cases. He has testified in Federal and Superior Court, administrative hearings, and State Personnel Board (SPB) hearings throughout the state of California.

Mr. Merydith has also provided consultant work as a Senior Forensic Advisor with the United States Department of Justice – International Crime Investigative Training Assistance Program (ICITAP) in Mexico. He has worked with multiple federal laboratories within Mexico to create a training program, and policies and procedures. In addition to Mexico, Mr. Merydith has also provided consultant work in the Philippines, assisting their federal government in the training of their forensic document examiners.  
Contact for Curriculum Vitae — Joseph Merydith
Joseph Merydith — Forensic Document Examiner and Senior Forensic Adviser in Roseville, CA

Sean Espley

Sean Espley has over 27 years of experience as a Forensic Document Examiner with the California Department of Justice. Mr. Espley has examined documents and issued opinions in many high-profile cases to include the Zodiac, Yosemite killings (Cary Stayner), Scott Peterson, and others. He has examined over 1,000 cases in both criminal and civil cases. Mr. Espley has qualified as an expert and testified in Municipal, Superior, and Federal courts throughout California and Nevada.

In addition to his experience as a Forensic Document Examiner, Mr. Espley was a Certified Technical Assessor for the American Society of Crime Laboratory Directors (ASCLD) and conducted numerous inspections for ASCLD throughout the United States. Mr. Espley served on the Board of Directors for the American Board of Forensic Document Examiners (ABFDE).

Mr. Espley was recently a Senior Forensic Advisor for the United States Department of Justice – International Crime Investigative Training Assistance Program (ICITAP) in Mexico. Mr. Espley was with ICITAP for 3 years and worked with the Secretaria de Seguridad Publica (SSP) and the Procuradura General de la Republica (PGR). He helped provide training, quality assurance, and assisting in the development of policy and technical procedures.
Contact for Curriculum Vitae — Sean Espley
Sean Epley — Document Examination Experts in Roseville, CA