It's brutal, but if recommend this
https://www.amazon.com/S-Novel-Balkans-Slavenka-Drakulic/dp/0140298444/ref=asc_df_0140298444/
Another fascinating read about this tragedy is S.: A Novel About the Balkans
I'm familiar with the Dunning-Kruger effect.
Now I know that I have read all these books. So I wouldn't call myself uninformed so the only conclusion I can draw from your mentioning the Dunning-Kruger effect is that you are over estimating your knowledge on the subject of modern war.
Shake Hands with the Devil: The Failure of Humanity in Rwanda by Roméo Dallaire
The Specter of Genocide: Mass Murder in Historical Perspective
I've also taken a class with this man Eric D. Weitz a Twentieth century war and genocide historian.
I've also read