This episode details graphic scenes.

Many around the world are calling the indiscriminate attacks on civilians in Bucha, a suburb northwest of the Ukrainian capital, Kyiv, a war crime.

But investigating such atrocities is painstakingly complicated. Could one case that resulted in convictions — the genocide in Bosnia in the 1990s — offer lessons on how to proceed?

Guest: Roger Cohen, the Paris bureau chief for The New York Times.

Want more from The Daily? For one big idea on the news each week from our team, subscribe to our newsletter.

Background reading:

With Russian forces retreating, Ukrainians in Bucha are finding scores of bodies in yards and on the roads amid mounting evidence of intentional and indiscriminate killings.
The images from Bucha spurred Western leaders to promise even tougher sanctions against Russia.

For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.

Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher. For more podcasts and narrated articles, download The New York Times app at nytimes.com/app.

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Why Proving War Crimes Is Difficult and Rare

The Daily

Why Proving War Crimes Is Difficult and Rare