To help put this in perspective the UN’s law is as follows
“UN Nelson Mandela Rules
These rules prohibit the indefinite or prolonged use of solitary confinement, and define 15 continuous days or longer in solitary as torture.”
Mind you that he was in solitary confinement for 13 months. This law was written to try to keep 3rd world countries from being able to torture prisoners with solitary confinement, again, Richard Allen has never been convicted of a crime.
JMO
The Nelson Mandela Rules emphasize that the provision of health care for prisoners is a State responsibility, and that the relationship between health-care professionals and prisoners is governed by the same ethical and professional standards as those applicable to patients in the community...
www.un.org