I have 30 years of experience, and specialize in the field of document analysis with specific knowledge in the areas of handwriting, ink/paper age and printing processes. I have published on such topics as questioned document analysis, identity theft and ink and paper analysis. I have testified 99 times on topics such as questioned document analysis, handwriting and crime scene investigation. Testified approximately 300 times in state, federal, and military courts of law, various foreign court systems, international courts in Vienna and at the hague and before US Congress as an expert.