The odds are against anyone being brought to justice for atrocities committed in Ukraine. Despite mounting evidence that Russian forces executed civilians and targeted residential neighborhoods for bombardment, a successful prosecution of the perpetrators -- from military commanders in the field all the way up to Vladimir Putin in the Kremlin -- before an international tribunal will be difficult. In the 76 years since the Nuremberg trials, which set the standard for punishing individuals for crimes against humanity, war crimes investigators have faced many obstacles. In this episode, former International Criminal Court prosecutor Alex Whiting explains the challenges confronting those seeking justice for victims of wars of aggression and atrocities.