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 .
Video shows a man handcuffed to a police van and dragged . Investigators say he died hours later , apparently from head wounds . South Africa had more than 6,000 complaints of police crimes in a recent 1-year period . The country 's history of violence affects some police , an analyst says .