"Individuals without any physical proof of a crime?" Are you dreaming? Of course there is a lot of evidence for involvement in massacres of individual war crimes. Some of the info came from honest IDF soldiers who still have human standards and behaviour, different than those of killer-soldiers.
PM postpones Israel-Germany summit marking 50 years of diplomatic ties (Haaretz)
from the article: Lawyers in EU draw up list of alleged IDF war criminals