This documentary is pretty good. https://youtu.be/tauQkygtHoI

There's also a more comprehensive playlist https://youtube.com/playlist?list=PLdw7wnKe0wiUSNdugFGpnSfm6wt-9gvUt

Operation gladio mixed with nationalism gone wrong. Also parenti, but with some dosage of bosnian sources/official story, as they kinda get sideswiped in “doesn’t look like anything to me” in some commie lore