Assistant Police Commissioner Paul Basham has announced his retirement, RNZ understands.
It comes nearly two months after the retirement of Deputy Police Commissioner Tania Kura.
Basham, the Assistant Commissioner of Investigations, was appointed to the role in February last year.
Whenhis appointment was announced, police said he joined police in 1985. He joined the Criminal Investigation Branch in 1988 and qualified as a detective in 1991.
