A look at the SDU in the Royal Hong Kong Police Force - how members are selected, how they are trained, their lives, what they think, the relationships between SDU members and their friends and the pressures they face.
1987
2006
1995
2000
1979
1991
1986
2003
1981
1996
1997
1985
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2013
2014
2005
2012
1980
