Police personnel keep vigil before Erwiana Sulistyaningsih (unseen), 23, an Indonesian maid allegedly tortured by her Hong Kong employer is escorted outside the airport after her arrival in Hong Kong on April 7, 2014. Erwiana Sulistyaningsih, who was admitted to hospital in critical condition in Indonesia after returning from Hong Kong in January where she allegedly suffered months of abuse, returned to the city for a medical examination to help bolster the investigation in the case that sparked angry protests.  AFP PHOTO / Philippe Lopez        (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)