This paper explores how Japan employed language education to justify Japanese imperial surveillance practices by examining the depiction of policemen and military police officers in Japanese language textbooks used by Korean primary students during the colonial period under Japanese rule. The analysis of the Japanese language textbooks used during this period uncovered the colonial educational goals and ideologies presented to Korean students, the ideal colonial citizens desired by the ruling system, and colonial aims furthered. This study investigates the ideologies presented in the textbooks using Critical Discourse Analysis (CDA) and Visual Image Analysis (VIA) by analyzing eight textbooks that were used in Japan and Korea. Both images and texts relating to Japanese government officials in the textbooks for Koreans from the colonial era are analyzed. The study reveals that the textbooks positioned Korean students to accept and integrate Japanese ideologies and attempted to indoctrinate Koreans into believing that the Japanese government officials were kind and cooperative, while also maximizing their authority over the colonized in their portrayal. The portrayal of government officials in the textbooks further reinforced this by showing the colonized having to display good behavior to authority figures, while not conveying any negative images of the government officials.