Forensic Science Division

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Questioned Documents Sections

VSC2000/HR for the examination of forged documents
VSC2000/HR for the examination
of forged documents

The Questioned Documents Sections provide a comprehensive service to law enforcement departments in all aspects of questioned documents from handwriting and typewriting examination to counterfeiting and forgery. As part of the performance pledge of the laboratory, the target for 85% completion of handwriting and for 90% suspect document cases are 66 and 33 days respectively.
The main client of the section is the Hong Kong Police Force with the rest of the submissions coming from a number of other sources, including the Immigration Department and the Independent Commission Against Corruption.

The section is regarded as one of the leading authorities on the analysis of Chinese handwriting, a number of research papers have been published by members of the section during the past ten years.

Key Personnel

The officers of the section are as follows:

Senior Chemist, Chemist
and Document Examiner (E-mail address) 		Tel. No.

Dr. C K Li, Senior Chemist
(ckli@govtlab.gov.hk)

 2745-9529
Ms. L P Chan , Chemist
(lpchan@govtlab.gov.hk)		 2745-9532
Mr. W C Chan, Chemist
(waicchan@govtlab.gov.hk) 		2745-9533
Dr. Janesse W S Hui, Chemist
(janessehui@govtlab.gov.hk)		 2745-9532
Dr. W K Lee, Chemist
(iwklee@govtlab.gov.hk)		 2745-9530
Dr. C M Pang, Chemist
(cmpang@govtlab.gov.hk)		 2745-9531
Mr. H T Fung, Document Examiner
(htfung@govtlab.gov.hk)		 2745-9531
Mr. P S Hung, Document Examiner
(pshung@govtlab.gov.hk		 2745-9530

Key Instruments

Smoking machine
Magnetic stripe analyzer

The following instruments are used routinely by the Section:

  • Magnetic stripe analyzer
  • Video spectral comparator
  • Electrostatic Detection Apparatus
  • Ribbon Analysis Workstation

Targets and Key Indicators

Key Performance Measures Relating to the Forensic Science Services

Targets

Targets are defined as the percentage of completed cases whose individual case-completion time does not exceed a specified number of working day(s)

Category@ Targets 2008
(Actual)		 2009
(Actual)		 2010
(Plan)
Handwriting examination completed within 66 working days (%) 85 77 87 85
Counterfeiting/forgery completed within 33 working days (%) 90 87 93 90
Express counterfeiting/forgery service completed within one working day (%) 99 97 99 99

@ From 2009 onwards, the targets are re-defined to be the percentage of completed cases whose individual case-completion time does not exceed a specified number of working day(s), instead of a targeted case-completion time (in working days) which is expected to be met in 80 per cent of the examined cases, in order to better reflect the work performance of the forensic services.

Key Indicators

Key indicators are the number of cases investigated

Number of Cases Investigated 2008
(Actual)		 2009
(Actual)		 2010
(Estimate)
Questioned documents 1,529 1,380 1,500

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