Letter sent by Alter Trus, Chairman of the Organization of Former Residents of the Briansk Community in Bialystok to the regional Jewish Historical Committee in Bialystok regarding collaboration with the Gestapo by Janusz and Koszak from Briansk Collaboration with the Gestapo by Janusz and Koszak including capturing Jews and Soviets in hiding in the village; criminal acts of Janusz and Koszak; names of Jews murdered by Janusz and Koszak; names of Jews turned over to the Gestapo by Janusz and Koszak; death sentence imposed on Janusz and Koszak by the partisan brigade in the Briansk area, 1943; execution of the death sentence on Koszak; escape of Janusz; Janusz in hiding in Briansk.