The secrecy left detainees with little access to lawyers.
Mr Rintoul said the new accommodation in Lorengau town is insecure, unguarded and unfenced, leaving detainees exposed and vulnerable to attacks from local residents.
Compared with the stringent checks on seclusion used in mental health facilities, the absence of similar protections leaves detainees vulnerable and without recourse.
A list of interrogation techniques posted at Abu Ghraib in September, indicating which were acceptable and which needed special authorization, makes no mention of leaving detainees naked.
Several human rights advocates said they anticipated an array of practical problems with the system that could leave detainees with little more recourse than they have now.
At the Varick Street jail, recurrent complaints have included low temperatures, mildew, and meals that leave detainees hungry and willing to work for $1 a day to pay for commissary food.
Adding to the distress of detainees, local security guards have told Guardian Australia that they have not been paid for several weeks and several have gone on strike, often leaving detainees without any guards.
These practices doubtless leave detainees feeling violated and re-traumatized.
Indeed, running water has been cut off on the island, leaving detainees only bottled water for drinking, washing, and flushing toilets.
So the poor infrastructure and conditions on Manus add an environmental factor to the unrest.Indeed, running water has been cut off on the island, leaving detainees only bottled water for drinking, washing, and flushing toilets.
