The 22nd SS Police Regiment helped to crush the Warsaw Ghetto Uprising in April – May . Together with the 25th 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 . In July 1944 , the regiment was transferred to Belarus and was destroyed there
Operation Harvest Festival
Aktion Erntefest
22nd SS Police Regiment