On August 17, 2007 the Prime Minister Gediminas Kirkilas formed special work group to investigate the death circumstances repeatedly, which consisted of: Vytautas Ališauskas, Petras Vaitiekūnas, Povilas Malakauskas, Vytautas Landsbergis, Aloyzas Sakalas, Justinas Karosas, Jonas Kronkaitis, and Jurgis Jurgelis.