Masao Horiguchi's crime is mainly reflected in the germ warfare. On August 20 14, the Central Archives released confessions of some Japanese war criminals, including those of Masao Horiguchi. In the confession of crimes, we can see that most of them are about transporting live experimenters to the "731" troops. The crime of masahiro horiguchi 1. 1In August, 937, Masao Horiguchi secretly escorted an anti-Japanese allied patriot who surrendered and was captured to a mountainous highland in the west fort of Dunhua County, personally executed the order and ordered a gendarmerie officer to behead him with a Japanese knife. The scene was bloody and violent. Masao Horiguchi's second crime, 1 August, 938 to1August, 939, involved eight patriotic fighters who were arrested under his command and tortured them to extract confessions, and then three of them were sent to the Special Committee for punishment, that is, sent to the 73 1 army for human experiments. The crime of masahiro horiguchi iii. 1June, 939, Masao Horiguchi ordered his gendarmerie to torture an China man to death, and ordered others to send the body to the mountain for burial at night to destroy it. Crime 4 Masao Horiguchi ordered his men to shoot a China man, causing his death, and then had his body dumped in Mudanjiang in the dark. The crime of masahiro horiguchi 5. From1August 1942 to1August 1943, in a year, a * * * arrested more than 80 anti-Japanese elements, and submitted a letter to the commander-in-chief of the gendarmerie for approval, sending more than 20 of them to the 73 1 army.