Questioned Documents Sections
The Questioned Documents Section provides 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 30 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.

Video Spectral Comparator (VSC 8000)
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.
Key Instruments
The following instruments are used routinely by the Section:
- Magnetic stripe analyzer
- Video spectral comparator
- Electrostatic Detection Apparatus
- Ribbon Analysis Workstation

Stereomicroscope
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).