Following the invasion, the German "Einsatzgruppe II" entered the city to commit various atrocities against the population, and the occupiers established a special court in Kielce. In January and March 1940, the Germans carried out mass arrests of local Poles as part of the "AB-Aktion". Among the victims were teachers, priests, and local political and social activists, including women. Arrested Poles were either imprisoned in the local prison, deported to concentration camps or massacred, with a notable massacre of 63 people committed by the Germans on June 12, 1940 at a local stadium. Many Poles from the prison in Kielce were also murdered in the Brzask forest near Skarżysko-Kamienna on June 29, 1940. At least five local Polish boy scouts were killed by the Germans during the war.