 The unit has a staff of 60-70 officers and police staff, seconded from other forces, and has had its budget more than doubled in four years from £2.6 million in 2005/06 to £5.7 million in 2009/10.The unit is led by an officer of the rank of Detective Superintendent, as of 2006 this was Maria Smith of the Wiltshire Constabulary.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.