Matilda Bogner's job is to bear witness to unspeakable crimes. As head of the United Nations Human Rights mission in Ukraine, she and her team record accounts of horrific abuses and rights violations in a bid to bring the perpetrators to justice and ease the victims' suffering.

"It's a very complicated job, but it is meeting people and finding out their stories. It's giving voices to victims. That's what motivates me."

Russia's invasion of Ukraine has devastated millions of lives. Civilians have been subjected to summary executions, disappearances, arbitrary arrests, and mass rape. In this episode, Matilda Bogner reflects on the scale of these horrors, the mental health impact of documenting them, and on her urgent quest to raise the alarm with the rest of the world.