What nationality were the killing squad who helped murder 100,000 people mainly from Vilnius?
Ypatingasis būrys: Ypatingasis būrys ("Special Squad") or Special SD and German Security Police Squad (Lithuanian: "Vokiečių Saugumo policijos ir SD ypatingasis būrys" , Polish: "Specjalny Oddział SD i Niemieckiej Policji Bezpieczeństwa" , also colloquially "strzelcy ponarscy" ("Ponary riflemen" in Polish) (1941–1944) was a Lithuanian killing squad of approximately 50 men, also called the "Lithuanian equivalent of Sonderkommando", operating in the Vilnius Region. Ypatingasis būrys:  Together with German police the squad participated in the Ponary massacre, where some 70,000 Jews were murdered, along with estimated 20,000 Poles and 8,000 Russian POWs, many from nearby Vilnius. Ponary massacre: The Ponary massacre (Polish: "zbrodnia w Ponarach" ) was the mass murder of up to 100,000 people by German SD, SS and Lithuanian Nazi collaborators, such as the Ypatingasis būrys units,
Lithuanian