After the war, 148 Koreans were convicted of Class B and C Japanese war crimes, 23 of whom were sentenced to death (compared to 920 Japanese who were sentenced to death), including Korean prison guards who were particularly notorious for their brutality during the war. The figure is relatively high considering that ethnic Koreans made up a small percentage of the Japanese military. Judge Bert Röling, who represented the Netherlands at the International Military Tribunal for the Far East, noted that "many of the commanders and guards in POW camps were Koreans – the Japanese apparently did not trust them as soldiers – and it is said that they were sometimes far more cruel than the Japanese." In his memoirs, Colonel Eugene C. Jacobs wrote that during the Bataan Death March, "the Korean guards were the most abusive. The Japs didn't trust them in battle, so used them as service troops; the Koreans were anxious to get blood on their bayonets; and then they thought they were veterans."