Video shows a man handcuffed to a police van and dragged . South Africa shocked by police shootings at mine . Investigators say he died hours later , apparently from head wounds . Score: 6 The country 's history of violence affects some police , an analyst says .
Video shows a man handcuffed to a police van and dragged . Investigators say he died hours later , apparently from head wounds . Score: 6 The country 's history of violence affects some police , an analyst says .