Her parents were opposition politicians who were murdered in Tehran in 1998. Since then,their daughter Parastou Forouhar has used both judicial and artistic means to fight for an investigation into their murder.Her struggle has put Forouhar,an installation artist living in Germany,under increasing pressure. She is met by Iran's secret police each time she visits her parents' graves. Forouhar talks with ARTS.21 about recent developments in Iran,the power of the opposition movement and the future of the Islamic state.