1. Teaching Laboratory for Forensics and Criminology, Department of Social and Behavioural SciencesCity University of Hong Kong Kowloon Hong Kong, SAR
2. Department of Social Work and Social AdministrationThe University of Hong Kong Hong Kong, SAR
3. Wuhan Public Security Bureau, Jiang'an Branch Wuhan China
4. Criminal Science Institute, Pudong District of Shanghai Municipal Public Security Bureau Shanghai China