A residential home in Derry at the centre of abuse allegations was below minimum standard for staff training, according to an inspection last year.
The The Regulation and Quality Improvement Authority inspected Ralph's Close residential home for vulnerable people in Gransha Park in April 2011.
It found that "few staff had completed training in the protection of vulnerable adults".
A number of staff have been suspended while police investigate allegations.
SDLP Foyle MLA Pat Ramsey, said that in light of the current police investigation and staff suspensions, the report's findings were worrying, and he says someone has to be held accountable...]