WILDLIFE: Thieves grab rhino horns from safes in South Africa's biggest heist Published: Tuesday, April 22, 2014 Thieves in South Africa have conducted the largest rhinoceros horn grab the country has seen, police say. Please subscribe to Greenwire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.