Officer numbers were not provided as some matters may involve more than one staff member, while other cases may not involve an identified staff member or were more “thematic in nature”. Counties Manukau had the most referrals with 33, while Waikato had 30 and Auckland City 22. Police National Headquarters, the Royal New Zealand Police College, National groups, and communications had 19 referrals to the NIU in total. Do you know more? Email sam.sherwood@stuff.co.nz The NIU had charged only one officer, from the Wellington District, with supplying a Class B controlled drug. They were no longer employed by police. Police professional conduct Superintendent Jason Guthrie said the unit received information from a wide variety of sources, much of it often incomplete or potentially unreliable.