 The NPOIU formed one branch of the National Domestic Extremism Unit (NDEU), under the control of ACPO's National Coordinator for Domestic Extremism, Detective Chief Supt Adrian Tudway.The NPOIU works in conjunction with the National Extremism Tactical Co-ordination Unit (NETCU) and the National Domestic Extremism Team (NDET).The Confidential Intelligence Unit was set up in 1999 through discussions held by the members of the Association of Chief Police Officers of England and Wales to observe extremist political groups throughout the UK.