Trophy hunters: Killers or conservationists?

When an American dentist illegally killed a prized Zimbabwean lion named Cecil, hundreds of thousands of people responded with outrage online. #CecilTheLion and #JusticeForCecil trended for days, calling for the dentist's arrest and an end to trophy hunting. But hunting proponents say it plays an important role in conservation, preserving land for wildlife and generating money to protect them. On the brink of the world's sixth mass extinction, how can humans strike the right balance between conservation and killing? Join us on Thursday at 19:30 GMT.