Worth more than its weight in gold, rhinoceros horn is made of keratin, a material each one of us grows right on the tips of our fingers. But the keratin from a rhino horn is illegally trafficked by organized crime groups across borders because of the unfounded superstition in that it cures everything from hangovers to cancer.
"This is poaching on a whole new level," Azzedine Downes, president and CEO of the International Fund for Animal Welfare (IFAW), told The Dodo at the time of Vince's death. "Wild rhinos have been in the sights of poachers for many years. It's horrifying to imagine a captive rhino falling prey to poachers' bullets."