However , during an investigation in the Khrushchev Thaw it was established that he was killed by an NKVD operative under direct orders from Lavrentiy Beria .
He was reportedly killed in a labor camp in a fight with another inmate .
During an investigation in the Khrushchev Thaw it was established that he was killed by an NKVD operative under direct orders from Lavrentiy Beria .
He was reportedly killed in a labor camp in a fight with another inmate .