Our World sets out to discover whether hunting the poachers can save the rhino. Last year a record number of rhinos were illegally slaughtered for their horns in South Africa's Kruger Park. They were killed by poachers, most of them from poor communities in neighbouring Mozambique. The horn is trafficked to Asia, where it can command a higher price than gold or diamonds. Now South Africa is cracking down - up to 50 poachers were shot last year. Our World sets out to discover whether hunting the poachers can save the rhino.