John M ButlerJohn M. Butler is a NIST Fellow and Special Assistant to the Director for Forensic Science, Office of Special Programs, at the U.S. National Institute of Standards and Technology, in Gaithersburg, Maryland. Dr. Butler earned his PhD from the Universiy of Virginia while doing DNA research in the FBI Laboratory's Forensic Science Research Unit. He has won numerous scientific awards, including being named Science Watch's #1 world-wide high-impact author in legal medicine and forensic science over the last decade (July 2011). He has over 150 publications in this field and is a frequent presenter on the topic of DNA typing, and has authored four other DNA Typing books including Advanced Topics in Forensic DNA Typing: Methodology. For a detailed CV, visit http: //www.cstl.nist.gov/strbase/butler.htm. Read More Read Less