Nanjing residents were rounded up and hauled out of the city for execution.

    Organized and wholesale murder of male civilians was conducted with the apparent sanction of the commanders on the pertext that Chinese soliders had removed their uniforms and were mingling with the population.Group of Chinese civilians were formed,bound with their  hands behind their backs,and marched outside the walls of the city where they were killed in groups by machine gun fire and with bayonets. --- From Judgement of the International Military Tribunal

Japanese soldiers tarcking and arresting young people,marching them under escort to be slaughtered in the suburbs. --- From [Japan] The History of Showa of 100 Million

The 65th company of the 103rd Brigade of 13th Division of the invading Japanese Army detained the disarmed Chinese soldiers in the Moufushan army camp before massacring them. --- From [Japan] Tomio Hora the Nanjing Massacre