Ashworth report confirms problems with special hospitals (1999) (2022-7-7)

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1114708/

See also 

https://journals.sagepub.com/doi/abs/10.1177/002580249903900304?journalCode=msla

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/265696/4194.pdf

(Fallon Report)