- the first being the development of a clinically derived set of descriptors piloted by a group of London Medium Secure Units and
- the second being a modification of the mental health clustering tool (MHCT) and the 21 Clusters mandated for use in working aged adult and older peoples services, piloted by two trusts in the north east of England.
Read: Report from the Forensic and Challenging Behaviour Product Review Sub Group September 2011