Operational Situation Report USSR No. 8
(June 30, 1941)
The Chief of the Security Police and the SD
On June 28 Vorkommando (1) has moved into Kaunas. It has started its activity, occupying the former trade union building, the NKVD Building, as well as two other houses. During the night, exchange of heavy fire between Lithuanian insurgents, Jews, and irregulars. Very difficult to secure the prisons, which are totally overcrowded. During the last 3 days Lithuanian partisan groups have already killed several thousand Jews.
(The Einsatzgruppen Reports by Yitzak Arad, Shmuel Krakowski and Shmuel Spector, editors. p. 1)
(1) An advance unit
Source: The Nizkor Project