Technical Talk on Forensic Ballistics

Technical Talk on
Introduction to Forensic Ballistics - How Science is use to solve gun crime

Date: 9 March 2019 (Saturday)
Time: 15:00 – 16:30
Venue: Theatre HJ302, PolyU

Mr. Beta Tam, BA(Hon), FCSFS, RL, CFL, Independent Forensic Consultant
軍械法證專家 譚矢公先生

The objective of the talk is to provide the participants with an overview of the scientific investigation techniques applied to a crime where firearms are used. The talk would be a discussion on different types of applications for forensic science to crime investigation, including the use of Microscope for ballistics comparison and testing of firearms for muzzle to target distance determination. It would also show different types of evidences collected from a shooting scene, their examination and interpretation. Finally how these results could be used for crime scene reconstruction.

Biography of Speaker
Beta Tam worked as a Forensic Firearms & Tool Mark Examiner since 1986. He is a Distinguished Member of the Association of Firearm and Tool Marks Examiners (USA) and Fellow for Chartered Society of Forensic Sciences (UK). He has worked for the Royal Hong Kong Police in Hong Kong, Wisconsin State Crime Laboratory and Los Angeles Police Department (LAPD) in the United States of America. He currently works as an independent forensic science consultant based in Hong Kong.
Since 2005 was the Principal Training Officer responsible for the training of Criminalists and Firearms Examiners in the LAPD before returning to Hong Kong. He also worked for the Independent Commission of Investigations in Jamaica as their Director of Forensics between 2016 and 17.
He has published articles, presented papers and taught workshops for international professional bodies in the United States, Germany, Australia, the United Kingdom and Taiwan.
He also serves as the International Director for the ALOA Security Professionals Association, Director for International Association of Investigative Locksmith and Chairman of the Associated Locksmiths of Hong Kong.
譚矢公先生是一位槍械彈道專家。1976 年加入皇家香港警察為見習督察。1986 年,他成為香港警務處槍械法證及鑑證科高級督察,其後晉升為總督察。1996 年,他離開香港警務處的職位,受聘於美國威斯康辛州司法部成為高級科學鑑證家。
在威斯康辛州司法部,譚矢公先生繼續其槍械彈道鑑證的工作並累積更多經驗。他的工作包括撰寫報告,在法庭上作專家證人和訓練實習槍械檢查人員。譚矢公先生被派駐威斯康辛州司法部的時候成為執法培訓委員會的委員。四年後,譚矢公先生從威斯康辛州司法部轉職到洛杉磯警隊當槍械鑑證官。2006 年,他成為首席槍械鑑證訓練主任,主要負責培訓教材,課程發展和教學研討會。2008 年,譚矢公先生從洛杉磯警隊退休,並成為私人執業槍械鑑證顧問,繼續擔任調查工作、出席案發現場、提供報告、在法庭上作專家證人和跟全世界的槍械彈道專家交流。2016 年三月至2017 年十月,他成為牙買加獨立調查局法證科主任。

This talk is one of the programme before the EEAA AGM conducted at 17:00 on the same day. But this Talk is also open to public and is free of charge. Please enroll online via the link before 6/3/2019, and places are strictly limited to 120 on first-come-first-served basis. Seat confirmation will be replied by email.
Attendance Certificate will be issued at the event to attendee only.
This Talk, is jointly organized by the Electrical Engineering Alumni Association (EEAA) of PolyU, the IEEE PES/IAS/PELS/IES Joint Chapter (HK), and the Electrical Engineering Department (EE) of PolyU, and is also coorganized by HKIE Control, Automation & Instrumentation Division, (HKIE CAD) and Institute of Measurement and Control (HK), (InstMC).
For enquiry about the Talk, please contact Dr. CT Tse, Activity coordinator of EEAA and IEEE JC, by email: For enquiry about the AGM, please contact Mr. Lawrence Chan, the EEAA General
Secretary, by email:

Click to enroll

Leave a Reply