J.K. Sinha received his PhD degree in forensic science. He has been associated with this field for more than half a century. An internationally known, forensic firearm consultant, he has been a firearm examiner of the federal/central government for 34 years and has served as Director-Incharge and Deputy Director (ballistics) of Central Forensic Laboratory, Chandigarh, India. He has examined more than 5,000 firearm cases and has testified in hundreds of courts as prosecution, defense, and court witness. His testimony on significant forensic issues can be found in law journals of court judgments, and referred to as case law by practicing attorneys/lawyers in India. Dr.

Sinha has been actively engaged in university teaching and research in forensic science. He has supervised successful PhD candidates on topics related to forensic ballistics and explosives. His area of research revolved around case-oriented practical problems and development of innovative identification techniques. He has published several papers in India and abroad. He has added new dimensions in the little-known and unsolvable area of illegally made firearms. His popular web page on forensic firearm and unusual forensic ballistics (www.forensicfirearmidentification.com) ranks among the top five in almost all popular search engines, directories, and metacrawlers.

He had been the editor of the forensic firearm category of the open directory project of Netscape (popular web browser). Some of his published papers and unpublished work on evaluation of unusual, evidentiary clues detailed in his web site are cited and referenced by many popular forensic firearm sites, online educational institutes, manuals and books on forensic firearm, and forensic medicine.