Erwiana Sulistyaningsih (C), a former Indonesian domestic helper, arrives at a district court in Hong Kong February 10, 2015. A Hong Kong woman accused of abusing Sulistyaningsih, her former domestic helper, was convicted by the district court on Tuesday, government radio reported. REUTERS/Bobby Yip (CHINA - Tags: CRIME LAW POLITICS BUSINESS EMPLOYMENT TPX IMAGES OF THE DAY) 

Erwiana Sulistyaningsih (C), a former Indonesian domestic helper, leaves a district court with her supporters in Hong Kong February 10, 2015. A Hong Kong woman accused of abusing Sulistyaningsih, her former domestic helper, was convicted by the district court on Tuesday, government radio reported. REUTERS/Bobby Yip (CHINA - Tags: BUSINESS EMPLOYMENT CRIME LAW POLITICS) 

Law Wan-tung,former employer of Indonesian domestic helper Erwiana Sulistyaningsih, leaves the district court in Hong Kong January 8, 2015. Law faces 20 charges, including inflicting grievous bodily harm, assault, and criminal intimidation. REUTERS/Tyrone Siu (CHINA - Tags: CRIME LAW) 

Protesters from labour organisations hold drawings of Indonesian domestic helper Erwiana Sulistyaningsih, who underwent suspected abuse by her Hong Kong employer, during a rally while delivering an international petition to the Hong Kong government, in Hong Kong April 27, 2014. The international petition comprising of over 100,000 signatures called for an end to the exploitation of migrant domestic workers. REUTERS/Tyrone Siu (CHINA - Tags: BUSINESS EMPLOYMENT CRIME LAW SOCIETY CIVIL UNREST) 

Indonesian domestic helper Erwiana Sulistyaningsih (C), accompanied by Hong Kong Airport Authority personnel, police and representatives from the Indonesian Consulate, walks out from a special exit upon her arrival at the Hong Kong Airport April 7, 2014. Erwiana had been recovering from injuries in a hospital in Sragen, central Java. Her former employer, a Hong Kong mother of two, was charged after being arrested on suspicion of abusing her maids. REUTERS/Bobby Yip (CHINA - Tags: CRIME LAW BUSINESS EMPLOYMENT) 

Domestic helpers and their supporters carry pictures of injured helper Erwiana Sulistyaningsih during a march to demand an investigation into her abuse, in Hong Kong January 19, 2014. Thousands of people rallied in Hong Kong on Sunday to demand justice for a Erwiana, who was badly beaten by her employer in a case that has sparked widespread outrage and a police investigation into accusations of torture. REUTERS/Tyrone Siu (CHINA - Tags: CRIME LAW CIVIL UNREST TPX IMAGES OF THE DAY) 

Law Wan-tung (L), who has been charged with two counts of wounding, one count of common assault and three counts of criminal intimidation, leaves a court in Hong Kong January 22, 2014. Law, a Hong Kong mother of two who a court heard punched her maids, beat them with mops and threatened to kill their relatives was released on bail on Wednesday after she was formally charged in a case that has triggered outrage. REUTERS/Tyrone Siu (CHINA - Tags: CRIME LAW BUSINESS EMPLOYMENT TPX IMAGES OF THE DAY)