Six years after the death of Rwandan gospel singer and peace advocate Kizito Mihigo in police custody, questions persist over accountability and freedom of expression in Rwanda.

While authorities say Mihigo took his own life, human rights groups insist there has been no credible, independent investigation into his death.

At the same time, critics of the government, including blogger Aimable Karasira, remain imprisoned under laws governing genocide ideology and divisionism.

To discuss what Mihigo's case reveals about the broader human rights climate in Rwanda, and the implications for free speech and judicial independence, Clémentine de Montjoye, Senior Great Lakes researcher at Human Rights Watch....