On 5 May 1947, at the site of the exhumation of victims of German crimes from mass graves in the Jabłonna Forest by the village of Suków-Papiernia, Dyminy commune, Kielce district, the Radom District Commission for the Investigation of German Crimes, Branch Office in Kielce, in the person of a member of the Commission, assistant public prosecutor of the District Court, Edward Laskowski, acting in accordance with Article 20 of the provisions introducing the Code of Criminal Procedure, heard the person named below as an unsworn witness. Having been advised of the criminal liability for making false declarations, this pursuant to Article 140 of the Criminal Code, the witness testified as follows:
| Name and surname | Maria Sarnecka, née Detka |
| Age | 59 years old |
| Occupation | farmer |
| Place of residence | Niewachlów II |
| Religious affiliation | Roman Catholic |
On 28 July 1943 at about 8.00 a.m., my son Józef Sarnecki was arrested and taken to Kielce together with 31 other people. A few days later I learned that my son and those other people had been executed somewhere in the vicinity of Suków. One of the corpses is definitely that of my son: I recognize him by his crop of blond hair, a steel front tooth, short-sleeved cream silk shirt and long johns.
The report was read out.