Together with the 22nd SS Police Regiment and other security forces , the regiment participated in Operation Harvest Festival ( '' Aktion Erntefest '' ) on 3 – 4 November , the massacre of 42,000 Jews imprisoned in the Majdanek extermination camp and several of its sub-camps . During this time it was commanded by SS - '' Gruppenführer und Generalleutnant der Polizei '' Jakob Sporrenberg , SS and Police Leader ( '' SS - und Polizeiführer '' ) Lublin
Operation Harvest Festival
Aktion Erntefest
25th SS Police Regiment