“The Chinese would shock me with electric probes almost daily. I endured this continuously for nine months,” claims Seye, a 27-year-old woman who is one of hundreds of alleged trafficking victims who streamed across the Thai-Myanmar border this month. Seye was among 260 people, more than half of them Ethiopian, who were transferred across the border to Thailand this February by a rebel group. Several among the group agreed to be interviewed on the condition they use only their first name. Carrying their belongings and stories of hell, the group alleged they were trapped in one of the region’s notorious...