據橫山光彥1954年7月筆供，他1901年生于日本東京都，1938年4月到中國東北參加侵華戰爭，任偽滿洲國奉天高等法院審判官，1940年7月之后任齊齊哈爾、錦州、哈爾濱高等法院次長兼特別治安庭庭長等職。1946年3月被俘。

 ?橫山光彥

重要罪行有：

參與將1938年夏秋之間逮捕抗日救國人員及和平居民約150名，其中判處“十二、三名死刑”。

1942年12月，以“審判長”身份，判處中共北滿組織“負責人王耀均，組織者史履升，組長周善恩3名死刑” 。

1940年7月—1943年5月，“自任審判長所處理之思想案件，共計約有89件，331名，其中有死刑18名，無期徒刑10名。”

1945年6月—7月，以“審判長”身份，先后審判了被俘的東北抗日聯軍第“三路軍負責人革命志士于天放及其部下干部革命志士孫國棟、劉祥、杜希剛，救國會負責人愛國人民張祿及救國會員之愛國人民60余名。”“判決結果：革命志士孫國棟、劉祥、杜希剛、張祿等約10名死刑” 。

Abstract of the Written Confessions in English

Teruhiko Yokoyama

According to the written confession of Teruhiko Yokoyama in July 1954, he was born in Tokyo Prefecture, Japan in 1901 and went to northeast China in April 1938 to join the Japanese War of Aggression against China, serving as a judge at the Mukden High Court of the “Manchukuo”. From July 1940, he served successively as the undersecretary and head of Special Magistrates’ Court at High Court in Qiqihar, Jinzhou and Harbin. He was captured in March 1946.

Major offences:

From summer to autumn 1938: participated in the arresting of about 150 anti-Japanese national salvation activists and peaceful residents, among whom “12 or 13 were sentenced to death”;

December 1942: under the capacity of “chief judge”, sentenced CPC North Manchuria branch’s “leading official Wang Yaojun, organizer Shi Lvsheng, and group leader Zhou Shan’en to death penalty”;

From July 1940 to May 1943: “the ideology cases handled by me since I became chief judge were89 cases involving 331 people, among whom 18 were sentenced to death, and 10 to life imprisonment”;

From June to July 1945: under the capacity of “chief judge”, conducted trials of “over 60 captured revolutionaries and patriotic personages successively, including Yu Tianfang, a revolutionary in charge of the 3rd Route Army” (of the Northeast Anti-Japanese United Army) “and his subordinates Sun Guodong, Liu Xiang and Du Xigang; Zhang Lu, a patriotic personage in charge of the local National Salvation Association, and members of the Association”; “verdict: about 10 revolutionaries were sentenced to death, including Sun Guodong, Liu Xiang, Du Xigang and Zhang Lu”.

（來源：國家檔案局網站，編輯 Helen）