US pardoned Japan's war criminals in exchange for Unit 731

unit 731 A bunker discovered near the city of Anda in northeast China is believed to be the largest test site of Imperial Japan's infamous Unit 731,

While one would expect such criminals to face the hangman's noose, the key players of Unit 731 would avoid prosecution for their barbaric acts  unit 731 netflix The Japanese Imperial Army Unit 731's Biological Warfare research program committed atrocious crimes against humanity in their pursuit