Mohamed Mostafaei, Iranian lawyer

In an exclusive interview for HARDtalk, Stephen Sackur travels to Oslo to talk to Mohamed Mostafaei, an Iranian lawyer in exile. He has defended a host of Iranians, including juveniles sentenced to death. His life has changed forever because of his involvement in a case that captured the world's attention - a woman was sentenced to death by stoning for adultery.

In recent weeks Mohamed Mostafaei has faced a series of agonising choices. Did he make the right ones?