 SIG appears to be operated by New Zealand police in connection with the New Zealand Defence Force, Security Intelligence Service (SIS) and Government Communications Security Bureau (GCSB).The group reportedly has teams in Auckland, Wellington and Christchurch.An intelligence unit and a special tactics group was formed by police in 2002 to look into terrorism, at the same time as the SIS budget increased markedly and when Jon White was made Assistant Commissioner of Counter Terrorism.