Conservationists are raising serious questions about crime scene protocols - and the sense in stockpiling rhino horn - after a report claimed the police took eight hours to respond to a burglary at the North West Parks Board on Monday. In what is being described as a well-planned heist executed with military precision, thieves broke into the Heritage House headquarters of the North West Parks Board in the early hours of Monday and stole 51 rhino horns worth millions of rands on the Asian black market. Police confirmed only that a 'business burglary' case had been opened and was under investigation.