During and after the war, Schwarz-Schilling travelled around the country, trying to resolve disputes and later overseeing the return of some of the 2.2 million refugees — half the population — created by the conflict..
Tijekom i poslije rata, Schwarz-Schilling je neumorno putovao Bosnom i Hercegovinom, pokušavajući riješiti sporove a kasnije i nadgledanje povratka 2,2 milijuna izbjeglica, pola bosanskohercegovačkog stanovništva.