woods, al jazeera, south africa. >>> did trial of a prominent human rights defender, rafael perez, barnaby phillips reports. >> the second co-winner is rafael. >> timing is significant with marquez trial about to begin in angola. accused of defamation, after he wrote about killing in the diamond fields. he says his trial is a rare opportunity to put angola's human rights record under scrutiny. >> i'm not a victim here. i'm a proactive citizen and i've raised these issues knowing what the consequences are. i'm prepared to face these consequences. that's why i say it's a privilege to go to court challenge these seven generals and tell them no matter what the outcome is i will win. >> reporter: ah goele ah's president has been there since 1979. and his party mpna has ruled the government since independence. since the party won in 2002, there have been regular elections. but the mpna has a tight grip on power and controls many institutions. >> whether a free trial is going to take place in angola, is a challenge. judges can make bizarre judgment so it's really up to angola to showcase that it has the judiciary that ca