Witold Pilecki, known by the codenames Roman Jezierski, Tomasz Serafiński, Druh and Witold, was a Polish World War II cavalry officer, intelligence agent, and resistance leader.
Pilecki before 1939
Witold Pilecki as KL-Auschwitz prisoner KL Number 4859, 1940
Piotr Śmietański was a Polish non-commissioned officer and communist functionary in the Ministry of Public Security and executioner at Mokotów Prison.
Witold Pilecki
…at the trial, instead wrote that Pilecki must be treated harshly as an "enemy of the state". Subsequently, on 25 May 1948, Pilecki was executed by Piotr Śmietański with a shot to the back of the head at the Mokotów Prison in Warsaw. Several of Pilecki's affiliates were also arrested and tried around the same time…
Śmietański's grave in the Bródno Cemetery, Warsaw
Certificate of Pilecki's execution signed by Śmietański (bottom, illegible), 25 May 1948 at the Mokotów Prison