Mr. Sherman serves as an advisor on existing and updated Crime Scene Investigation practices, procedures and tasks performed during an investigation in the field. He is a retired Detective from the New York Police Department and has responded to more than 2,200 crime scenes, including in excess of 1,600 homicide. He has testified more than 150 times in NY State (7 counties), Federal Court (NY Southern & Eastern District), Philadelphia and Tel Aviv, Israel. Mr. Sherman is currently teaching and assessing police agencies and labs internationally. He is co-author of the textbook “Illustrated Guide to Crime Scene Investigation”.