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The Complaints Against Police Office (CAPO, Chinese: 投訴警察課) is a unit within the Hong Kong Police Force that handles complaints against the force's officers. The Office is part of the Complaints and Internal Investigations Branch of the force's Service Quality Wing.

Complaints Against Police Office
Chinese: 投訴警察課
Jurisdictional structure
Operations jurisdictionHong Kong
HeadquartersG/F, Annex Block, Caine House, 3 Arsenal Street, Wanchai

Agency executive
  • LAW, Shui Sum, Senior Superintendent of Police
Parent agencyHong Kong Police Force
Official website
Complaints Against Police Office
Traditional Chinese投訴警察課

All reviews conducted by CAPO are monitored by the Independent Police Complaints Council (IPCC).

In 2006 to 2008, 325 police officers were disciplined on substantiation of the complaints against them. Of these, 292 were given advice, 12 given warnings, 12 cautioned, two reprimanded, six severely reprimanded and one dismissed subsequent to criminal conviction.

There have been criticisms that CAPO lacks credibility and transparency in handling complaints against the police, and also that the IPCC has limited monitoring power.[1]


  1. ^ Police complaints system - Government press release quoting reply by the Secretary for Security in LegCo, 14 January 09