Newsnight’s Sue Lloyd-Roberts goes in search of the rhino horn trade in Vietnam.
With a hidden camera, she encounters traders offering her horn from both Africa and Asia. She also meets a former Vietnamese rhino hunter.
The trade is estimated to be worth around US$10 billion a year, with animals dying in ever greater numbers to meet an appetite for what is believed to be a cure for cancer and other ailments.
This video was originally published by BBC News on YouTube