There is a long-standing principle that they should be accorded rights and entitlements that are not available to convicted and sentenced prisoners.
Yet far from being treated more favourably, this thematic review has shown that they all too often receive less support and help than convicted and sentenced prisoners.
This is not just a question of addressing injustice in the treatment of the individuals concerned, but ensuring that costly prison places are not used unnecessarily and that everyone is given the chance to leave prison less likely to commit offences than when they arrived.
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Among those murdered was Keith Palmer, an unarmed constable who "did his job and never wanted any fuss."
Top temperature 14 Celsius (57 F).