Maruta

Maruta is a term that has seen significant misuse and controversy, particularly in the context of historical atrocities. Originally, the term "maruta" referred to a type of log or wooden beam. However, during World War II, it became a code name used by Unit 731 of the Imperial Japanese Army for its human experimentation program. This unit conducted horrific biological and chemical warfare experiments on thousands of prisoners of war and civilians, primarily of Chinese, Korean, and Soviet origin, in facilities located in occupied China. The victims were often subjected to vivisection, infection with deadly diseases, and other cruel procedures, with many dying as a result.

The term "maruta" thus became associated with these unspeakable war crimes. Following Japan's surrender in 1945, many records and evidence of Unit 731's activities were reportedly destroyed. Some individuals involved in the unit, including its commander Shiro Ishii, were granted immunity from prosecution by the United States in exchange for data from their experiments. The legacy of Unit 731 and the use of the term "maruta" continue to be a painful reminder of the atrocities committed during the war and a subject of historical research and remembrance.