By 5 October 1939, in West Prussia alone, Selbstschutz under the command of Ludolf von Alvensleben was 17,667 men strong, and had already executed 4,247 Poles, while Alvensleben complained to Selbstschutz officers that too few Poles had been shot. (German officers had reported that only a fraction of Poles had been "destroyed" in the region with the total number of those executed in West Prussia during this action being about 20,000.