Drawings by Prum Vannak - Vannak is a Cambodian survivor of human trafficking. His story is one of extreme poverty and what people do to take care of their families. Most of them don't live to tell us their stories. Vannak is part of a lucky few.

Human trafficking has become a global problem. Millions of people become victims through entrapment and exploitation. In this in-depth series, RFA reporters go into the heart of Asia's human trafficking business to document cases of this form of modern slavery.

Slavery at Sea