National Integrity Unit

The National Integrity Unit (NIU) is one of the main branches of the New Zealand Police and it is dedicated to investigating and preventing corruption within police.^[1] The NIU works jointly with the Independent Police Conduct Authority (IPCA) on criminal investigations into police officers and staff accused of corruption. The NIU was established by Police Commissioner Mike Bush in 2020, in response to the conviction of corrupt Auckland constable Vili Taukolo.^[2]

National Integrity Unit
Active	2020 - present
Country	New Zealand
Branch	New Zealand Police
Type	Law Enforcement
Role	Internal Anti-Corruption Investigation
Garrison/HQ	Wellington
Nickname(s)	NIU
Commanders
Notable commanders	Inspector Nick Thom

Investigations

Investigations into police staff begin with an assessment of whether an officer's behavior breaches the police Code of Conduct, policy, or the law.^[3] If criminal concerns are raised, a formal investigation is initiated, which is overseen by the IPCA.^[4] The NIU was initially composed of a2 staff, led by a detective inspector and is based in Wellington.^[2]

NIU Investigations by branch from 31 January 2020 to 4 April 2023^[3]

Region/Branch	Matters investigated
Northland	18
Tāmaki Makaurau	34
Waitematā	26
Auckland City	41
Counties Manukau	67
Waikato	38
Bay of Plenty	25
Eastern District	19
Central District	12
Wellington	21
Tasman	14
Canterbury	46
Southern District	31
Police HQ, RNZPC, and Communication Centres	51
RNZPC Recruits	12
External Agencies	1
Unknown	3

See also

List of New Zealand Police controversies