 The Soviets retook the country in 1944, and from then until independence was re-established in 1991, the building was used by the KGB, housing offices, a prison, and an interrogation center.Over 1,000 prisoners were executed in the basement between 1944 and the early 1960s, about one-third for resisting the occupation.Most bodies were buried in the Tuskulėnai Manor, which underwent reconstruction and hosts a branch of the museum.