The facility was for young people suffering from various abuse problems. During her enrollement she was "offered" massage from one of the male staff members.
She claimed that she became afraid over the incident but no additional supervision was imposed once she told the medical staff about the incident.
She hang herself in the shower. Suicide by hanging at such facilities are not that uncommon. If we look across the ocean two very high profile cases did happen at Spring Creek Lodge featured in CNN in a television program about the narcotic drug known as Meth. Also at Island View, which is a high profile residential treatment facility in Utah owned by one of the largest companies in the rehab business (Aspen Education Group) saw a suicide committed in the shower.
The problem is very much the quality of the staff. There must be rules which disallowed staff to handle residents on their own when the clothing is removed. The staff involved in such incident should be of the same gender as the resident.
But it always comes down to money. It might never be perfect.
References:
Nya Skandaler på behanlingshem (Expressen.se)
Spring Creek Lodge (WWASPinfo)
Teen Facility targets suicide prevention (Deseret News)