South African police, the investigation of crime?

In 2007, an old grandmother and 5 children were murdered in their home. A human monster drowned the 5 babies in the bath …. No suspects have been arrested. And SSP told the media to mind their own business, one year after the crime, when it reviews progress in the case. Do you charge that the investigation should be removed from the case and the case should be assigned to another member of SAP or hope a team? http://www.theherald.co.za/herald/news/n14_25032008.htm

This is sad, but keep in mind that each agent deals of 79 cases per day more than any other police officer of other countries, how can we solve 79 cases a day?