our story, by correspondent martin seemungal, first aired earlier this year. >> reporter: it looks and sounds like the old days in south afric africa, the kind of anger once directed at the oppressive white government. >> we should kill them. they are should die. >> reporter: but this was just last week, and the anger was directed at black people, fellow africans, from zimbabwe, nigeria, somalia and elsewhere, who have come from south africa hoping to find a better life. it was called xenophobic violence, fear of the foreigner. foreigners had their businesses destroyed, houses were torched. they were killed with guns and machetes. some were even set on fire, burned alive. the death of ernesto mozambican, shook the nation and shocked the world. within two weeks, the violence had spread across the country. it took a massive deployment of security forces to bring things under control. by the time it was over, 100 people were dead. an estimated 200,000 people were displaced. some took cover in police stations. others found refuge in isolated camps. the kind of refugee camps you'd normally