On 11 May 1946, the Municipal Court in Opatów, represented by Judge Al. Zalewski, with the participation of reporter app. J. Kwiatkowski, interviewed the person mentioned below as a witness, without taking an oath. Having been advised of the criminal liability for making false declarations, of the wording of Article 107 of the Code of Criminal Procedure, and of the significance of the oath, the witness testified as follows:
| Name and surname | Janina Dec |
| Age | 43 years old |
| Parents’ names | Mikołaj and Anna |
| Place of residence | Opatów, Łagowska Street 29 |
| Occupation | teacher |
| Religious affiliation | Roman Catholic |
| Criminal record | none |
On 4 June 1940, in the morning, my husband Antoni Dec was arrested along with many other social activists from the local area. The arrest took place in such a way that around 7:00 PM a Gestapo officer came to our house and asked about my husband in Polish. When I replied that he had gone to the city, he stood at the door, waiting for my husband to return, not allowing anyone to leave the house. At that time, I saw the criminal police officer, under the local SD unit, Stanisław Słonka, standing in front of my house.
Shortly after my husband’s return home, he was arrested and taken away by the previously mentioned gendarme. Soon after that, together with others, he died a martyr’s death on 29 June 1940, during a mass execution in Brześć Forest near Skarżysko-Kamienna.
Immediately after these events, I found out from the late caretaker of the former state company buildings, Stanislaw Czajkowski, that together with a German officer came Stanisław Słonka, who undoubtedly informed the officer about our place of residence. While waiting for my husband, Słonka stayed outside the building. He was not seen by the German officer staying in the hallway. Słonka talked and strolled with Czajkowski, and undoubtedly, if he wanted, he could have warned my husband not to return to the house. He knew that my husband would be arrested, as there was already one of the detainees in the car, whom I did not recognize.