This article describes the harrowing plight of domestic workers who travel abroad to support their families in poor countries, many go missing or die in suspicious circumstances.
http://www.theguardian.com/global-development/2015/oct/24/the-vanished-filipino-domestic-workers-working-abroad
http://www.theguardian.com/global-development/2015/oct/24/the-vanished-filipino-domestic-workers-working-abroad