In December, 1925, the Special Higher Police Division of Kyoto Prefectural Police Department mobilized the Higher Police Division of all the city police to attack and conduct domiciliary searches on the houses and lodgings of all the members of Shaken of Kyoto Imperial University and Doshisha University, and arrested 33 students.
1925年12月、京都府警察部特別高等警察課は、全市の警察署高等係を動員して京都帝大・同志社大学などの社研会員の自宅・下宿などを急襲、家宅捜索および学生33名を検束した。