“…However a recent IOM survey reported that the NHS was least likely to be involved from a list of agencies reported to be involved in local IOM arrangements (Home Office, 2013 p.4). The Home Office survey makes no attempt to explain why the NHS has limited involvement -has it simply not crossed anyone's mind, were invites sent but declined, or despite significant evidence to the contrary (Robinson and Cottrell, 2005;Bradley, 2009;Williams, 2009;Hean, et al, 2011;Yakeley et al, 2012), do agencies continue to assume that some vague nod towards 'inter-agency cooperation' means that those who need it will be referred to and consequently receive mental health service input? The challenges of partnership working particularly across the care-control divide, including: models of understanding, roles, identities, status and power, and information sharing; are generally well documented but according to Williams (2009) had not been addressed by government interventions.…”